Granted Patent
Utility
US 4,239,085 · App. 06/057,769
Side shift assembly for earth-working implements
Inventors:
Phillip G. Venable, Rudolf Horsch
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jul 16, 1979
Inventors
Phillip G. Venable
Rudolf Horsch
Assignee (at issue)
J. I. Case Company
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.