Granted Patent
Utility
US 5,224,686 · App. 07/825,469
Valve assembly for high pressure water shut-off gun
Inventor:
Amos Pacht
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jan 24, 1992
Inventor
Amos Pacht
Assignee (at issue)
Butterworth Jetting Systems, 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.