Granted Patent
Utility
US 6,289,726 · App. 09/340,490
Fuel filter gauge
Inventors:
Gregory Matthew Ferris, Jerry Lee Manross, Charels Henry Berry, III, Michael Dean Metcalf, Laverne Lee Sidler
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jun 30, 1999
Inventors
Gregory Matthew Ferris
Jerry Lee Manross
Charels Henry Berry, III
Michael Dean Metcalf
Laverne Lee Sidler
Assignee (at issue)
Engineered Products Company
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.