Granted Patent
Utility
US 4,247,942 · App. 04/092,709
Jam resistant communication system
Inventor:
Charles A. Hauer
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Mar 1, 1961
Inventor
Charles A. Hauer
Assignee (at issue)
Ford Aerospace & Communications 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.