Granted Patent
Utility
US 4,365,331 · App. 06/166,384
Multiple channel data communication system
Inventors:
Kenneth Biba, Jose J. Picazo, Jr.
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Jul 7, 1980
Inventors
Kenneth Biba
Jose J. Picazo, Jr.
Assignee (at issue)
Sytek, 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.