Granted Patent
Utility
US 4,504,921 · App. 06/560,271
Multi-channel test system using optical waveguide modulators
Inventors:
Anthony T. Nasuta, Jr., Robert A. Boenning
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Dec 12, 1983
Inventors
Anthony T. Nasuta, Jr.
Robert A. Boenning
Assignee (at issue)
Westinghouse Electric Company 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.