Granted Patent
Utility
US 5,803,196 · App. 08/655,988
Stabilizing drill bit
Inventor:
Coy M. Fielder
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: May 31, 1996
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.