Granted Patent
Utility
US 4,310,004 · App. 05/165,151
Combine harvester rethresher
Inventors:
Cyriel R. J. De Busscher, Francois Van Herpe
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Jul 1, 1980
Inventors
Cyriel R. J. De Busscher
Francois Van Herpe
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.