Granted Patent
Utility
US 4,974,404 · App. 07/355,637
Apparatus and method for adjusting a harvester to an oblique profile of cane type berry plants
Inventors:
Donald L. Korthuis, Scott A. Korthuis
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: May 23, 1989
Inventors
Donald L. Korthuis
Scott A. Korthuis
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.