Granted Patent
Utility
US 4,400,930 · App. 06/376,397
Harvester threshing rotor drive having variable speed belt drive and clutching means
Inventors:
Michael L. Huhman, Larry R. James
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: May 10, 1982
Inventors
Michael L. Huhman
Larry R. James
Assignee (at issue)
Allis-Chalmers 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.