Granted Patent
Utility
US 5,643,446 · App. 08/150,709
Fuel filter and priming pump
Inventors:
Michael D. Clausen, Russell D. Jensen, Walter H. Stone
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Nov 10, 1993
Inventors
Michael D. Clausen
Russell D. Jensen
Walter H. Stone
Assignee (at issue)
Parker-Hannifin 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.