Granted Patent
Utility
US 6,401,845 · App. 09/583,488
Cutting element with stress reduction
Inventor:
Coy M. Fielder
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: May 31, 2000
Inventor
Coy M. Fielder
Assignee (at issue)
Diamond Products International, 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.