Granted Patent
Utility
US 5,406,091 · App. 08/067,925
Communication network optical isolation circuit
Inventors:
Joseph Carl Burba, David Bardsley
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: May 27, 1993
Inventors
Joseph Carl Burba
David Bardsley
Assignee (at issue)
Ford Motor Company
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.