Granted Patent
Utility
US 5,052,864 · App. 07/274,066
Counterbore milling cutter
Inventors:
Jerry L. Shaw, Stanley Mickel
Patented Case
View Patent ↗
Granted: Oct 1, 1991
Filed: Nov 21, 1988
Inventors
Jerry L. Shaw
Stanley Mickel
Assignee (at issue)
GTE Valenite Corporation
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.