Granted Patent
Utility
US 4,415,073 · App. 06/152,635
Automatic hub clutch
Inventors:
Chris Campbell, Robert B. Overbeek
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: May 23, 1980
Inventors
Chris Campbell
Robert B. Overbeek
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.