Granted Patent
Utility
US 4,707,972 · App. 06/746,606
Movable feeder floor for combines
Inventor:
Larimer J. Knepper
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Jun 19, 1985
Inventor
Larimer J. Knepper
Assignee (at issue)
New Holland, Inc.
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.