IP Library › Granted Patent US 4,554,765
Granted Patent Utility
US 4,554,765 · App. 06/588,580

Coated abrasive disc

Inventors: Philip M. Grimes, John R. Grimes
Patented Case View Patent ↗
Granted: Nov 26, 1985 Filed: Mar 12, 1984
Inventors
Philip M. Grimes
John R. Grimes

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,554,765
App. No.
06/588,580
Filed
1984-03-12
Granted
1985-11-26
Kind
A