Granted Patent
Utility
US 4,750,322 · App. 06/875,631
Apparatus for dislodging and collecting produce from upstanding crops
Inventor:
Donald L. Korthuis
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Jun 18, 1986
Inventor
Donald L. Korthuis
Assignee (at issue)
Korvan Industries, 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.