IP Library › Granted Patent US 4,839,677
Granted Patent Utility
US 4,839,677 · App. 07/020,148

Focal length switching type camera

Inventors: Yasushi Hoshino, Masamori Makino
Patented Case View Patent ↗
Granted: Jun 13, 1989 Filed: Feb 26, 1987
Inventors
Yasushi Hoshino
Masamori Makino
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

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Quick Facts
Patent No.
US 4,839,677
App. No.
07/020,148
Filed
1987-02-26
Granted
1989-06-13
Kind
A