Granted Patent
Utility
US 5,086,975 · App. 07/634,063
Pressure washer with spring-less outlet to inlet bypass
Inventor:
Clive Rawlinson Paige
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 26, 1990
Inventor
Clive Rawlinson Paige
Assignee (at issue)
SHOP VAC CORPORATION
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.