Granted Patent
Utility
US 4,007,716 · App. 05/606,923
Offset valve lifter effecting valve rotation
Inventor:
Kenneth R. Jones
Patented Case
View Patent ↗
Granted: Feb 15, 1977
Filed: Aug 22, 1975
Inventor
Kenneth R. Jones
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.