Granted Patent
Utility
US 4,972,051 · App. 07/390,285
Switch for two-way hand-held transceiver
Inventor:
Roy F. Hodsdon
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Aug 7, 1989
Inventor
Roy F. Hodsdon
Assignee (at issue)
General Electric 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.