Granted Patent
Utility
US 4,788,708 · App. 07/125,569
Universal headset tester
Inventor:
Gary Steven Hendrix
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Nov 25, 1987
Inventor
Gary Steven Hendrix
Assignee (at issue)
Tele-Technix, 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.