Granted Patent
Utility
US 4,308,997 · App. 06/187,104
Recutter screen baffle
Inventor:
Thomas D. Valco
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Sep 15, 1980
Inventor
Thomas D. Valco
Assignee (at issue)
International Harvester 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.