Granted Patent
Utility
US 4,417,694 · App. 06/199,124
Injector valve with contoured valve seat and needle valve interface
Inventors:
William B. Claxton, Joseph C. Cromas
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Oct 22, 1980
Inventors
William B. Claxton
Joseph C. Cromas
Assignee (at issue)
Bendix Limited
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.