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GRETAG SYSTEMS INC

Overview
  • Total Patents
    20
About

GRETAG SYSTEMS INC has a total of 20 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Canada and United States. Its main competitors in its focus markets optics, machines and packaging and shipping are PHOTOSTAT CORP, E & H T ANTHONY & COMPANY and WARNER BROTHERS PICTURES INC.

Patent filings in countries

World map showing GRETAG SYSTEMS INCs patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United States 9

Patent filings per year

Chart showing GRETAG SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kraft Walter 4
#2 Bronnimann Rolf 2
#3 Gassmann Werner 2
#4 Binder Erich G 2
#5 Maxeiner Harald 2
#6 Dolf Richard A 2
#7 Rupp Roberto 2
#8 Mueller Kurt 2
#9 Strobel Christa 2
#10 Schaub Heiner 2

Latest patents

Publication Filing date Title
US5072639A Method and apparatus for removing wastepaper from a continuous web of photographic prints
CA2043037A1 Method and apparatus for matching the parts of a film order using an optical character reader
US4975723A Paper-processing control apparatus