Granted Patent
Utility
US 4,265,144 · App. 05/972,863
Detent release for power shift transmission selector valve
Inventor:
Brian Christopher Clark
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Dec 26, 1978
Inventor
Brian Christopher Clark
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.