Granted Patent
Utility
US 4,904,580 · App. 07/181,970
Silver halide photographic light-sensitive material
Inventors:
Hajime Komatsu, Susumu Ohkawachi, Fujitsugu Suzuki
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Apr 15, 1988
Inventors
Hajime Komatsu
Susumu Ohkawachi
Fujitsugu Suzuki
Assignee (at issue)
Konishiroku Photo Industry Co., Ind.
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.