Granted Patent
Utility
US 5,014,502 · App. 07/510,939
Doffer assembly for a harvesting unit of a cotton harvester
Inventors:
Kevin S. Richman, Jesse H. Orsborn
Patented Case
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Granted: May 14, 1991
Filed: Apr 19, 1990
Inventors
Kevin S. Richman
Jesse H. Orsborn
Assignee (at issue)
J. I. Case 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.