Granted Patent
Utility
US 4,176,348 · App. 05/891,505
Electronic security device
Inventors:
Joseph J. Tobin, David B. Robinson, Robert L. Peay, Jerry R. Powell, Leslie W. Gay
Patented Case
View Patent ↗
Granted: Nov 27, 1979
Filed: Mar 30, 1978
Inventors
Joseph J. Tobin
David B. Robinson
Robert L. Peay
Jerry R. Powell
Leslie W. Gay
Assignee (at issue)
Coded 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.