Granted Patent
Utility
US 4,477,553 · App. 06/566,778
Photosensitive compositions
Inventors:
Takeshi Yamamoto, Kiyoshi Goto, Masafumi Uehara
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Dec 29, 1983
Inventors
Takeshi Yamamoto
Kiyoshi Goto
Masafumi Uehara
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.