Granted Patent
Utility
US 4,397,034 · App. 06/247,686
Low probability of intercept transmitting apparatus
Inventors:
Benjamin V. Cox, Billie M. Spencer, John W. Zscheile, Jr.
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Mar 26, 1981
Inventors
Benjamin V. Cox
Billie M. Spencer
John W. Zscheile, Jr.
Assignee (at issue)
Sperry Corp.
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.