Granted Patent
Utility
US 4,953,156 · App. 07/241,609
Wideband subcarrier multiplexed optical communication system operating over more than one octave
Inventors:
Robert Olshansky, Paul M. Hill
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Sep 8, 1988
Inventors
Robert Olshansky
Paul M. Hill
Assignee (at issue)
GTE Laboratories Incorporated
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.