Granted Patent
Utility
US 4,112,288 · App. 05/569,068
Orifice tip
Inventors:
William R. Pieren, Robert F. Stetson
Patented Case
View Patent ↗
Granted: Sep 5, 1978
Filed: Apr 17, 1975
Inventors
William R. Pieren
Robert F. Stetson
Assignee (at issue)
General Atomics
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.