Granted Patent
Utility
US 4,513,850 · App. 06/465,156
Electrohydraulic power shift transmission system
Inventor:
John R. Plate
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Feb 9, 1983
Inventor
John R. Plate
Assignee (at issue)
Allis-Chalmers 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.