Granted Patent
Utility
US 5,979,788 · App. 08/753,326
Pressure washer valve assembly
Inventors:
Timothy Rancourt, Stephen E. Babcock
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Nov 21, 1996
Inventors
Timothy Rancourt
Stephen E. Babcock
Assignee (at issue)
Northern Tool & Equipment Company, 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.