Granted Patent
Utility
US 4,696,206 · App. 06/850,313
Torque wrench
Inventor:
James G. Renfro, Jr.
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Apr 10, 1986
Inventor
James G. Renfro, Jr.
Assignee (at issue)
Hughes Tool Company LLC
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.