Granted Patent
Utility
US 4,327,542 · App. 06/252,098
Row crop harvester with self-cleaning belt feed
Inventor:
Robert M. Van Ginhoven
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Apr 8, 1981
Inventor
Robert M. Van Ginhoven
Assignee (at issue)
Sperry Corp.
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.