Granted Patent
Utility
US 4,771,458 · App. 07/025,236
Secure data packet transmission system and method
Inventors:
Richard W. Citta, Paul M. Gosc, Dennis M. Mutzabaugh, Gary J. Sgrignoli
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Mar 12, 1987
Inventors
Richard W. Citta
Paul M. Gosc
Dennis M. Mutzabaugh
Gary J. Sgrignoli
Assignee (at issue)
Zenith Electronics LLC
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.