Granted Patent
Utility
US 4,279,334 · App. 06/064,098
Mechanical detent for three speed power shift transmission
Inventors:
John R. Plate, James H. Lucas
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Aug 6, 1979
Inventors
John R. Plate
James H. Lucas
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.