Granted Patent
Utility
US 4,297,833 · App. 06/083,625
Crop pickup with outboard cam control
Inventor:
Melvin V. Gaeddert
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Oct 11, 1979
Inventor
Melvin V. Gaeddert
Assignee (at issue)
Hesston 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.