Granted Patent
Utility
US 6,113,781 · App. 09/071,799
Fuel filter with dual flow
Inventors:
Peter Popoff, David H. Hodgkins, Michael D. Clausen, Russell D. Jensen, Walter H. Stone, Victor A. Oelschlaegel
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: May 4, 1998
Inventors
Peter Popoff
David H. Hodgkins
Michael D. Clausen
Russell D. Jensen
Walter H. Stone
Victor A. Oelschlaegel
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.