Granted Patent
Utility
US 5,544,713 · App. 08/323,898
Cutting element for drill bits
Inventor:
Mahlon D. Dennis
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Oct 17, 1994
Inventor
Mahlon D. Dennis
Assignee (at issue)
Dennis Tool Company
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.