Granted Patent
Utility
US 4,755,643 · App. 07/084,033
Electronic relay switch with thermal/electrical shunt
Inventor:
Joseph E. Oeschger
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Aug 10, 1987
Inventor
Joseph E. Oeschger
Assignee (at issue)
501 F.L. Industries, Inc.
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.