Granted Patent
Utility
US 5,282,604 · App. 07/971,894
Solenoid operated pressure regulating valve
Inventor:
Richard Wade
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Nov 4, 1992
Inventor
Richard Wade
Assignee (at issue)
COLTEC INDUSTRIES, 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.