Granted Patent
Utility
US 4,331,387 · App. 06/166,266
Electro-optical modulator for randomly polarized light
Inventor:
John L. Wentz
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Jul 3, 1980
Inventor
John L. Wentz
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.