Granted Patent
Utility
US 5,342,129 · App. 07/860,045
Bearing assembly with sidewall-brazed PCD plugs
Inventors:
Thomas M. Dennis, Mahlon D. Dennis
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Mar 30, 1992
Inventors
Thomas M. Dennis
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.