IP Library Granted Patent US 4,104,666
Granted Patent Utility
US 4,104,666 · App. 05/739,850

Exposure control circuit for camera

Inventors: Kenji Toyoda, Sakuji Watanabe
Patented Case View Patent ↗
Granted: Aug 1, 1978 Filed: Nov 9, 1976
Inventors
Kenji Toyoda
Sakuji Watanabe
Assignee (at issue)
Nippon Kogaku K.K.

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.

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Quick Facts
Patent No.
US 4,104,666
App. No.
05/739,850
Filed
1976-11-09
Granted
1978-08-01
Kind
A