Granted Patent
Utility
US 4,950,882 · App. 07/380,967
Opto-electrical exclusive or logic gates
Inventors:
Anastasios P. Goutzoulis, David K. Davies
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Jul 17, 1989
Inventors
Anastasios P. Goutzoulis
David K. Davies
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.