Granted Patent
Utility
US 5,070,907 · App. 07/561,946
Pulsating liquid jet apparatus
Inventor:
Roy W. Salecker
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Aug 2, 1990
Inventor
Roy W. Salecker
Assignee (at issue)
Spartan Tool (A Division of Heico, 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.