Granted Patent
Utility
US 5,791,579 · App. 08/709,230
Overload prevention clutch assembly
Inventors:
Julian J. Raphael, Neil S. Pennington
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Sep 3, 1996
Inventors
Julian J. Raphael
Neil S. Pennington
Assignee (at issue)
Columbus McKinnon Corporation
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.