Granted Patent
Utility
US 4,206,837 · App. 05/882,575
Centrifugal clutch having electromagnetic release
Inventors:
Henry Brown, Richard L. Mitchell
Patented Case
View Patent ↗
Granted: Jun 10, 1980
Filed: Mar 2, 1978
Inventors
Henry Brown
Richard L. Mitchell
Assignee (at issue)
DANA LIMITED
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.