Granted Patent
Utility
US 4,248,248 · App. 06/027,590
Interrupted infeed flight means for combine rotor
Inventors:
Cyriel R. J. De Busscher, Francois Van Herpe
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Apr 6, 1979
Inventors
Cyriel R. J. De Busscher
Francois Van Herpe
Assignee (at issue)
Sperry Rand 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.