COX MULTI COLOR PHOTO COMPANY has a total of 16 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets optics and measurement are XINJU TECH CO LTD, FUJIAN FORECAM OPTICAL TECH CO LTD and NANCHANG OUFEI PREC OPTICAL PRODUCT CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 4 | |
#3 | France | 3 | |
#4 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Measurement |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Testing of structures | |
#3 | Cameras |
# | Name | Total Patents |
---|---|---|
#1 | Cox Harold N | 9 |
#2 | Cox Harold Newton | 3 |
Publication | Filing date | Title |
---|---|---|
GB314546A | Improvements in or relating to optical systems particularly those used for cinematography | |
US1811495A | Multiple-image camera | |
US1781496A | Apparatus for color photography | |
US1699226A | Lens system for color photography | |
US1762144A | Lens system for color photography | |
US1778754A | Optical system | |
US1645374A | Optical attachment | |
US1735108A | Optical adjusting device | |
US1645417A | Color photography | |
CA294712A | Optical system | |
CA305661A | Colour photography | |
CA275660A | Optical system | |
CA303195A | Multiple image photography |