JELLEY EDWIN ERNEST has a total of 11 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Austria, Canada and Switzerland. Its main competitors in its focus markets optics are ISHIDA KATSUTOSHI, SCHWARTZ YORK and PLAQUES ET PAPIERS PHOTOGRAPHI.
# | Industry | |
---|---|---|
#1 | Optics |
# | Technology | |
---|---|---|
#1 | Photosensitive materials |
# | Name | Total Patents |
---|---|---|
#1 | Jelley Edwin Ernest | 7 |
#2 | Edwin Ernest Jelley | 2 |
Publication | Filing date | Title |
---|---|---|
CA251106A | Photographic sensitizer | |
CA268203A | Photograph production |