Granted Patent
Utility
US 4,913,004 · App. 07/255,643
Electronic powershift control system for an implement transmission
Inventors:
Dale W. Panoushek, Ernest A. Kreitzberg, Frank Dimaggio
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Oct 11, 1988
Inventors
Dale W. Panoushek
Ernest A. Kreitzberg
Frank Dimaggio
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.