Granted Patent
Utility
US 5,056,550 · App. 07/610,135
Pilot regulator for valves
Inventor:
Richard J. Mooney
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Nov 6, 1990
Inventor
Richard J. Mooney
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.