Proprietà:Priority date
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Data di priorità del brevetto. In genere coincide con quella di richiesta del brevetto, ma se questo fa riferimento ad un precedente brevetto in un altro paese fa fede la data di richiesta di quest'ultimo.
P
March 21, 1927 +
December 22, 1928 +
September 15, 1934 +
June 29, 1935 +
June 29, 1935 +
April 19, 1946 +
June 27, 1951 +
April 20, 1897 +
September 23, 1960 +
January 12, 1963 +
January 30, 1906 +
September 25, 1906 +
January 14, 1908 +
April 9, 1900 +
July 10, 1908 +
January 28, 1899 +
August 10, 1910 +
August 10, 1910 +
February 21, 1913 +
April 18, 1913 +