Granted Patent
Utility
US 4,902,864 · App. 07/281,614
Versatile electric disconnect switch
Inventors:
Robert Markowski, Dean A. Robarge, Robert L. Owens, Jerome Benedict Tankersley
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Dec 9, 1988
Inventors
Robert Markowski
Dean A. Robarge
Robert L. Owens
Jerome Benedict Tankersley
Assignee (at issue)
General Electric 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.