Granted Patent
Utility
US 4,300,749 · App. 06/103,279
Throttle valve
Inventors:
Anthony J. Ferro, Holliday L. Goldman
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Dec 13, 1979
Inventors
Anthony J. Ferro
Holliday L. Goldman
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.