IP Library Granted Patent US 4,653,236
Granted Patent Utility
US 4,653,236 · App. 06/797,672

Coated abrasive disc

Inventors: Philip M. Grimes, John R. Grimes
Patented Case View Patent ↗
Granted: Mar 31, 1987 Filed: Nov 13, 1985
Inventors
Philip M. Grimes
John R. Grimes

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Quick Facts
Patent No.
US 4,653,236
App. No.
06/797,672
Filed
1985-11-13
Granted
1987-03-31
Kind
A