Granted Patent
Utility
US 4,513,847 · App. 06/430,012
Range shift and park lock control
Inventor:
Kenneth N. Hansen
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Sep 30, 1982
Inventor
Kenneth N. Hansen
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.