Granted Patent
Utility
US 5,938,921 · App. 08/887,775
Water baffle for filter cartridge
Inventors:
Leon P. Janik, Michael J. Williams
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jul 30, 1997
Inventors
Leon P. Janik
Michael J. Williams
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.