Granted Patent
Utility
US 5,017,285 · App. 07/404,849
Fuel filter and cartridge assembly
Inventors:
Leon P. Janik, M. Craig Maxwell
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Sep 8, 1989
Inventors
Leon P. Janik
M. Craig Maxwell
Assignee (at issue)
Stanadyne Automotive Corp.
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.