IP Library › Granted Patent US 4,848,873
Granted Patent Utility
US 4,848,873 · App. 07/198,519

Shutter adapted to self lock in closed and open positions

Inventor: Luis F. Villar
Patented Case View Patent ↗
Granted: Jul 18, 1989 Filed: May 25, 1988
Inventor
Luis F. Villar
Assignee (at issue)
Servo Corporation of America

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Quick Facts
Patent No.
US 4,848,873
App. No.
07/198,519
Filed
1988-05-25
Granted
1989-07-18
Kind
A