Granted Patent
Utility
US 6,070,945 · App. 09/115,985
Cutting tool retainer
Inventors:
Cary D. Ritchey, Wayne H. Beach, Stephen P. Stiffler
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jul 15, 1998
Inventors
Cary D. Ritchey
Wayne H. Beach
Stephen P. Stiffler
Assignee (at issue)
KENNAMETAL INC.
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.