Granted Patent
Utility
US 5,152,200 · App. 07/657,133
Torque signalling wrench
Inventor:
Steve E. Kaplan
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Feb 19, 1991
Inventor
Steve E. Kaplan
Assignee (at issue)
Multilink 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.