IP Library › Granted Patent US 4,770,513
Granted Patent Utility
US 4,770,513 · App. 06/924,441

Projection lens

Inventors: Daijiro Fujie, Yoichi Umegaki
Patented Case View Patent ↗
Granted: Sep 13, 1988 Filed: Oct 29, 1986
Inventors
Daijiro Fujie
Yoichi Umegaki
Assignee (at issue)
Nippon Kogaku K.K.

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Quick Facts
Patent No.
US 4,770,513
App. No.
06/924,441
Filed
1986-10-29
Granted
1988-09-13
Kind
A