Granted Patent
Utility
US 5,204,502 · App. 07/783,597
Dual function switching apparatus
Inventors:
Glenn E. Ferris, Mark Z. Rada, Frederick T. Yager
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Oct 28, 1991
Inventors
Glenn E. Ferris
Mark Z. Rada
Frederick T. Yager
Assignee (at issue)
DELCO ELECTRONICS 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.