Granted Patent
Utility
US 4,969,720 · App. 07/402,738
Magneto-optic bypass switch
Inventors:
Stanley J. Lins, David L. Fleming
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Sep 5, 1989
Inventors
Stanley J. Lins
David L. Fleming
Assignee (at issue)
Unisys Corporation
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.