IP Library › Granted Patent US 4,811,522
Granted Patent Utility
US 4,811,522 · App. 07/029,133

Counterbalanced polishing apparatus

Inventor: Gerald L. Gill, Jr.
Patented Case View Patent ↗
Granted: Mar 14, 1989 Filed: Mar 23, 1987
Inventor
Gerald L. Gill, Jr.

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Quick Facts
Patent No.
US 4,811,522
App. No.
07/029,133
Filed
1987-03-23
Granted
1989-03-14
Kind
A