Granted Patent
Utility
US 4,669,925 · App. 06/824,597
Roughing/finishing threader
Inventors:
Tony Lowe, Thomas J. Bernadic
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Jan 31, 1986
Inventors
Tony Lowe
Thomas J. Bernadic
Assignee (at issue)
GTE Valeron Corporation
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.