IP Library › Granted Patent US 4,978,994
Granted Patent Utility
US 4,978,994 · App. 07/315,897

Exposure system for image forming apparatus

Inventor: Kenichi Shimizu
Patented Case View Patent ↗
Granted: Dec 18, 1990 Filed: Feb 16, 1989
Inventor
Kenichi Shimizu

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Quick Facts
Patent No.
US 4,978,994
App. No.
07/315,897
Filed
1989-02-16
Granted
1990-12-18
Kind
A