Granted Patent
Utility
US 4,956,270 · App. 07/318,417
Silver halide photographic material having improved antistatic and antiblocking properties
Inventors:
Noriki Tachibana, Eiichi Ueda, Nobuaki Kagawa, Hideo Ota
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Feb 28, 1989
Inventors
Noriki Tachibana
Eiichi Ueda
Nobuaki Kagawa
Hideo Ota
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.