Granted Patent
Utility
US 6,070,402 · App. 09/129,972
Harvesting systems and methods
Inventors:
Donald L. Korthuis, Kenneth J. Buist
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Aug 5, 1998
Inventors
Donald L. Korthuis
Kenneth J. Buist
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.