Granted Patent
Utility
US 6,527,248 · App. 09/711,902
Solenoid valve with a manual control pushbutton
Inventor:
Patrick Muller
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Nov 15, 2000
Inventor
Patrick Muller
Assignee (at issue)
Parker Hannifin Rak SA
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.