Granted Patent
Utility
US 4,220,019 · App. 06/004,295
Shear clutch assembly with reverse drive mechanism for clearing overloads
Inventors:
James W. Mast, Virgil B. Martin, Roger L. Villers
Patented Case
View Patent ↗
Granted: Sep 2, 1980
Filed: Jan 18, 1979
Inventors
James W. Mast
Virgil B. Martin
Roger L. Villers
Assignee (at issue)
Gehl 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.