Granted Patent
Utility
US 5,855,780 · App. 08/744,855
Fuel filter element with flow actuator
Inventors:
Richard Dye, John Lowsky, Jr.
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Nov 4, 1996
Inventors
Richard Dye
John Lowsky, Jr.
Assignee (at issue)
Advanced Performance Technology, 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.