Granted Patent
Utility
US 4,293,955 · App. 06/131,029
Diversity reception system
Inventors:
Marvin M. Gehr, Howell D. Pabian
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Mar 17, 1980
Inventors
Marvin M. Gehr
Howell D. Pabian
Assignee (at issue)
Telex Communications, 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.