Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Improvements in or relating to fountain pens +
Improvements in or relating to pencil holders +
Improvements in or relating to propelling pencils +
Improvements in self-filling fountain pens +
Improvements in and relating to writing implement having interchangeable leads +
Improvements relating to fountain pens +
Improvements in or relating to self-filling fountain pens +
Improvements in Fountain-pens +
Closure for Ink Bottles +
Improvements in or relating to fountain pens +
Improvements relating to propelling pencils +
Improvements in or relating to fountain pen barrels and the like +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens, propelling pencils and the like +
Improvements in and relating to fountain pens +
Improvements in or relating to stylographic pens +
Improvements in or relating to self-filling fountain pens +
Improvements relating to Fountain Pens +
Improvements in and relating to closures for containers for liquids +
Improvements in or relating to Fountain Pens +
Improvements in fountain pens +
Improvements in stylographs +
Improvements in or relating to self-filling fountain pens +
Improvements in self-filling fountain pens +
A device for use in the preparation of ink +
Fountain pen +
Fountain pen +
Fountain pen +
Improvements in or relating to fountain pens, propelling pencils and the like +
Improvements in or relating to ink reservoir pens +
Improvements in flow testing apparatus +
Improvements in and relating to immersion testing apparatus +
Improvements in or relating to fountain pens +
Fountain pens +
Self-filling fountain pens +
Improvements in or relating to Pens +
Fountain pen +
Improvements in and relating to Self-filling Fountain Pens +
Improvements in or relating to Fountain Pens +
Improvements in and relating to self-filling fountain pens +
Improvements in and relating to fountain pens +
Improvements in and relating to Pen Nibs +
Improvements in or relating to Fountain Pens +
Improvements relating to self-filling fountain pens +
Improvements in Fountain Pens and the like +
Improvements in and relating to fountain pens, propelling pencils and like writing instruments +
Clip for fountain pens and the like +
Improvements in fountain pens +
Improvements in or relating to fountain pens +
Improvements in or relating to self-filling fountain pens +
Improvements in or relating to fountain pens +
Improvements in and relating to Fountain Pens +
Improvements in and relating to Sac Self-Filling Fountain Pens +
Improvements in pocket clips for fountain pens, pencils and the like +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens +
Improved propelling pencil +
Fountain pen +
Improvements in writing instruments +
Improvements in or relating to fountain pens +
Improvements in pocket clips for fountain pens, pencils and the like +
Improvements in or relating to multiple lead pencils +
Improvements in fountain pens, propelling pencils and the like +
Feed device for fountain pen nibs +
Fountain pen +
Improvements in or relating to fountain pens +
Stylographe +
Improvements in Nib Sections for Fountain Pens +
Improvements in or relating to Fountain Pens +
Improvements in reservoir pens +
Improvements in or relating to fountain pens +
Improvements in pocket clips for fountain pens, pencils and the like +
Improvements in Nib Sections for Fountain Pens +
Improvements in and relating to ball point pens +
Improvements relating to fountain pens +
Improvements in Self-Filling Ball Point Pens +
Improvements in fountain pens +
Improvements relating to Fountain Pens +
Improvements in or relating to fountain pens comprising an ink cartridge +
Improvements in Nib Sections for Fountain Pens +
Improvements in Nib-Sections for Fountain Pens +
Fountain pen +
A Fountain Pen +
Improvements in fountain pens +
Improvements in fountain pens +
Improvements in or relating to Fountain Pens +
Heat sealed thermoplastic tubes and method of manufacture thereof +
Improvements in Fountain Pens +
Improvements in or relating to reservoir writing instruments of the ball-point type +
Improvements in fountain pens +
Improvements in or relating to fountain pens +
Fountain pen +
Improvements in or relating to reservoir writing instruments +
Fountain pen +
Improvements in or relating to Fountain Pens +
Improvements in or relating to Fountain Pens +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens +
Improvements in or relating to fountain pens +
Porte-plume réservoir +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Penna stilografica doppia +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Penna a serbatoio con riempimento automatico e annesso termometro +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Titolo ignoto +
Fountain pen +
Vulpotlood met centrale stiftopening en een aantal stifthouders voor stiften van verschillende soort +
Schrijfgereedschap +
Flesch, ingerich voor het brengen van een kleine hoeveelheid vloeistof naar een hulpruimte +
Zelfvullende vulpenhouder +
Vulpenhouder met zuiger +
Vulpenhouder +
Vulpotlood met stapsgewijzen aanvoer, voorzien van een verschuifbaar klemlichaam met twee klembekken en een vast aangebracht wrijvingsorgaan +
Inktgeleider voor een vulpenhouder +
Vulpenhouder +
Reservoarpenna +
Inprovements in pens +
Fountain-pen filler +
Self-filling fountain-pen +
Pocket-clip +
Fountain-pen +
Fountain-pen +
Safety-cap for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen attachment +
Fountain-pen +
Self-filling pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Self-filling fountain-pen +
Fountain-pen cap +
Self-filler fountain-pen +
Fountain-pen retainer +
Signagraph +
Combined calendar and pencil +
Fountain-pen +
Fountain-pen +
Non-leaking fountain-pen +
Pocket-clip +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Multiple-writing machine +
Fountain pen +
Pen-clip +
Ink-pencil +
Improvement in fountain-pens +
Clip for pens or pencils +
Fountain-pen +
Fountain-pen +
Clip for fountain-pens +
Clip for fountain-pens +
Fountain-pen +
Fountain-pen +
Clip for pen-caps +
Attachment for fountain-pens +
Fountain or reservoir pen +
Fountain or reservoir pen +
Fountain-pen +
Fountain-pen +
Improvement in pencil-cases +
Mechanical pencil +
Fountain-pen +
Dispensing-stopper for ink-bottles +
Self-filler fountain-pen +
Lead pencil +
Fountain-pen +
Fountain-pen +
Pen and pencil clip +
Gold pen +
Spring and presser-bar for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen clip +
Writing implement +
Improved pen and pencil case +
Self-filling fountain-pen +
Fountain-pen +
Self-filling fountain-pen +
Fountain-pen +
Improvement in pen-holders +
Lever-Filler Fountain-pen +
Fountain-pen +
Clip for fountain-pens +
Presser-bar-actuating lever for self-filling fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Improvement in pen-and-pencil cases +
Fountain-pen +
Fountain-pen +
Self-filling fountain-pen +
Fountain-Pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Improvements in pen and pencil case +
Fountain-pen +
Improvement in pen-and-pencil cases +
Mounting for a presser-bar-actuating lever for self-filling fountain-pens +
Magazine pencil +
Fountain-pen +
Fountain pen +
Fountain-pen +
Fountain-Pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Self-filling Fountain-pen +
Retaining clip for fountain-pens +
Fountain-pen filler +
Fountain-Pen +
Self-filler lever-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Lever self-filler fountain-pen +
Self-filling writing instrument +
Presser-bar for fountain pen +
Design for a fountain pen +
Fountain pen clip +
Fountain-pen +
Self-filling fountain-pen +
Fountain pen +
Fountain-pen +
Fountain and stylographic pens +
Fountain or reservoir pen +
Clip for pencil and the like +
Fountain pen +
Self-filling fountain pen +
Fountain-pen cap and clip +
Pencil +
Fountain-pen +
Clip for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen of the self-filler type +
Fountain-pen +
Fountain-Pen +
Fountain-pen +
Fountain pen +
Fountain pen +
Self-feeding pencil +
Combination instrument +
Fountain-pen +
Self-filling fountain-pen +
Fountain-pen +
Cap-clip for fountain-pens +
Fountain-pen +
Fountain-pen +
Pen-point holder +
Fountain pen +
Fountain-pen +
Improvement in alloys for the manufacture of pens +
Fountain-pen +
Self-filling fountain-pen +
Fountain-pen +
Fountain-pen cap +
Lever-filler for fountain-pens +
Pencil-clip +
Fountain-pen +
Stylographic fountain-pen +
Fountain-pen +
Penholder-clip +
Fountain-pen +
Fountain-pen +
Mechanical pencil +
Pressure-bar mechanism +
Fountain-pen +
Retarded delivery device for fountain-pens +
Fountain-pen-filling device +
Mechanical pencil +
Clip for fountain-pen caps or the like +
Improvement in writing-pens +
Pencil +
Chart for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Feed-bar for fountain-pens +
Fountain-pen clip +
Self-filling fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen indicator +
Toggle-joint self-filling pen +
Fountain-pen +
Fountain-pen attachment +
Ink-content-indicating fountain-pen +
Fountain and other reservoir-pen +
Fountain-pen +
Fountain-pen +
Filling-bottle for fountain-pens +
Mechanically-operated advertising device +
Pencil +
Fountain or reservoir pen +
Fountain-pen +
Fountain-pen +
Chasing-machine +
Fountain-pen +
Fountain pen +
Single-magazine pencil +
Fountain pen +
Fountain-pen +
Fountain pen +
Magazine Pencil +
Chasing machine +
Fountain pen +
Pencil +
Pencil +
Mechanical pencil +
Fountain pen +
Pencil +
Metal box +
Fountain pen +
Pencil +
Self-filling fountain pen +
Mechanical pencil +
Pencil +
Fountain pen +
Fountain pen +
Filling device with rubber cap for fountain pens +
Means for retaining pens, pencils, and the like in the pockets of garments +
Fountain pen +
Check protector +
Pencil +
Fountain pen +
Stylographic fountain pen +
Self-filling fountain pen +
Pencil with adjustable lead +
Clip for mechanical pencils +
Clip for fountain pens +
Fountain pen +
Pencil +
Lever-filler fountain pen +
Display cabinet +
Inkstand for soluble ink +
Lever for self-filler fountain pens +
Self-filling fountain pen +
Combined fountain pen and lead pencil +
Fountain drawing pen +
Check protector +
Fountain Pen +
Feed bar for fountain pens +
Lead pencil +
Self-filling fountain pen +
Pencil +
Fountain pen +
Stopper for inkbottles +
Lettering pen +
Pencil with floating clutch +
Magazine pencil +
Improvements in inkstands +
Fountain-pen clip +
Self-loading magazine pencil +
Mechanical pencil +
Mechanical pencil +
Pencil +
Reservoir pen and the like +
Fountain pen +
Fountain pen, lever filler +
Refill mechanism for fountain pens +
Fountain pen and the like +
Combined fountain-pen and pencil +
Fountain-pen ink-feeding device +
Display cabinet for pens and pencils +
Fastening device to be used in connection with mechanical pencils, fountain pens, and the like +
Mechanical pencils +
Pen clip +
Fountain pen +
Fountain pen +
Fountain-pen +
Pencil +
Combined pencil and fountain-pen construction +
Pencil +
Pencil +
Fountain pen or the like +
Fountain-pen casing and cap therefor +
Ink pencil +
Combined fountain-pen and pencil +
Fountain pen +
Pencil clip +
Fountain Pen +
Magazine pencil +
Lever filler for fountain pens with metal casings +
Fountain pen +
Fountain pen +
Drawing-pen nib, more particularly for fountain pens +
Magazine pencil +
Magazine pencil +
Combined pen or pencil clip and envelope opener +
Pencil +
Pen or pencil clip +
Fountain +
Mechanical pencil +
Fountain pen +
Fountain pen +
Automatically-filling fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Magazine pencil +
Fountain pen +
Mechanical pencil +
Fountain pen +
Fountain pen +
Fountain pen +
Art of manufacturing fountain-pen caps and barrels +
Fountain pen +
Fountain or reservoir pen +
Mechanical pencil +
Fountain-pen +
Fountain pen cap +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Pen and pencil-case +
Cap for fountain pens +
Fountain-pen filler +
Method of working upon surfaces of ebonite articles +
Self-filling stylographic pen +
Fountain pen +
Clamp or clip for fountain pens +
Fountain pen +
Pen-filling mechanism +
Fountain Attachment for Pens +
Stopper for inkbottles +
Pocket clip for pens, etc. +
Reservoir pen +
Pen and pencil clip +
Self-filling fountain pen +
Mechanical pencil +
Pen and nib and method of producing same +
Device for applying bands on pens or pencils +
Fountain pen and stand therefor +
Clip for pencils, penholders, and like articles +
Fountain pen +
Fountain pen +
Reservoir Pen +
Holder for fountain pens +
Pencil +
Reservoir pen +
Fountain pen +
Fountain pen +
Clip or fastener +
Combined fountain-pen rack and paper weight +
Fountain-pen rack +
Fountain-pen desk set +
Die-casting machine +
Clip for pens, pencils, and the like +
Fountain-pen +
Fountain pen +
Swivel pen support for desk sets +
Pad-holding desk set +
Mechanical date indicator +
Pencil +
Fountain pen +
Fountain-pen desk set +
Fountain pen +
Fountain pen +