Granted Patent
Utility
US 5,578,221 · App. 08/363,417
Fuel filter with improved hand primer
Inventor:
Leon P. Janik
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Dec 23, 1994
Inventor
Leon P. Janik
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.