Granted Patent
Utility
US 4,532,202 · App. 06/564,241
Coupler for photography
Inventors:
Takashi Sasaki, Yutaka Kaneko, Fumio Ishii, Yasuo Tsuda, Kazuhiko Kimura, Katsunori Kato
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Dec 21, 1983
Inventors
Takashi Sasaki
Yutaka Kaneko
Fumio Ishii
Yasuo Tsuda
Kazuhiko Kimura
Katsunori Kato
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.