Granted Patent
Utility
US 4,938,554 · App. 07/331,763
Temperature compensated fiber optic bypass switch
Inventors:
Mark L. Wilson, Stanley J. Lins
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Apr 3, 1989
Inventors
Mark L. Wilson
Stanley J. Lins
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.