Granted Patent
Utility
US 4,846,609 · App. 07/164,683
Polygonal cutting insert
Inventors:
Thomas J. Bernadic, Tony Lowe, John Patterson, Karl Katbi, Charles E. Zimmerman, Yefim Val
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Mar 7, 1988
Inventors
Thomas J. Bernadic
Tony Lowe
John Patterson
Karl Katbi
Charles E. Zimmerman
Yefim Val
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.