Granted Patent
Utility
US 4,746,094 · App. 06/930,750
Pulse-width-modulated solenoid valve
Inventor:
Richard D. Cummins
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Nov 13, 1986
Inventor
Richard D. Cummins
Assignee (at issue)
Moog 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.