Granted Patent
Utility
US 5,419,421 · App. 08/097,531
Quiet-running centrifugal clutch
Inventor:
Thomas H. Lohr
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Jul 27, 1993
Inventor
Thomas H. Lohr
Assignee (at issue)
HOFFCO 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.