IP Library › Granted Patent US 4,690,563
Granted Patent Utility
US 4,690,563 · App. 06/766,506

Hole centration gage

Inventors: Richard O. Barton, Michael T. Bergin, John Michael Miller
Patented Case View Patent ↗
Granted: Sep 1, 1987 Filed: Aug 16, 1985
Inventors
Richard O. Barton
Michael T. Bergin
John Michael Miller
Assignee (at issue)
Grumman Aerospace Corporation

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Quick Facts
Patent No.
US 4,690,563
App. No.
06/766,506
Filed
1985-08-16
Granted
1987-09-01
Kind
A