Granted Patent
Utility
US 5,236,579 · App. 07/748,775
Fuel filter assembly with modular drain bowl
Inventors:
Leon P. Janik, Stephen Burgess
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Aug 22, 1991
Inventors
Leon P. Janik
Stephen Burgess
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.