Granted Patent
Utility
US 6,026,919 · App. 09/129,179
Cutting element with stress reduction
Inventors:
Gary M. Thigpen, Coy M. Fielder, Brad Weston
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Apr 16, 1998
Inventors
Gary M. Thigpen
Coy M. Fielder
Brad Weston
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.