Granted Patent
Utility
US 4,875,625 · App. 07/107,620
Constant flow deionized water spray gun
Inventor:
Bruce A. Jones
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Oct 9, 1987
Inventor
Bruce A. Jones
Assignee (at issue)
Digital Equipment 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.