Granted Patent
Utility
US 4,896,757 · App. 07/242,287
Bolt on electromagnetic fan clutch
Inventor:
Kenneth F. Seager, Sr.
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Sep 6, 1988
Inventor
Kenneth F. Seager, Sr.
Assignee (at issue)
Facet Enterprises, Incorporated
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.