Granted Patent
Utility
US 5,489,384 · App. 08/316,508
Single stage fuel filter with seal control air purge
Inventors:
Leon P. Janik, M. Craig Maxwell
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Sep 30, 1994
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.