IP Library › Granted Patent US 4,701,606
Granted Patent Utility
US 4,701,606 · App. 06/792,764

Projection optical apparatus

Inventors: Akikazu Tanimoto, Shoji Ishizaka
Patented Case View Patent ↗
Granted: Oct 20, 1987 Filed: Oct 30, 1985
Inventors
Akikazu Tanimoto
Shoji Ishizaka
Assignee (at issue)
Nippon Kogaku K.K.

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Quick Facts
Patent No.
US 4,701,606
App. No.
06/792,764
Filed
1985-10-30
Granted
1987-10-20
Kind
A