Granted Patent
Utility
US 4,415,103 · App. 06/225,895
Full throttle valve and method of tube and gate change
Inventors:
Earl P. Shapland, Patrick D. King
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Jan 19, 1981
Inventors
Earl P. Shapland
Patrick D. King
Assignee (at issue)
USS Engineers and Consultants, Inc.
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.