Granted Patent
Utility
US 6,431,228 · App. 09/852,814
Spring-loaded contaminant cover for tank filler neck closure assembly
Inventors:
Dean C. Foltz, Jason Jobe
Patented Case
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Granted: Aug 13, 2002
Filed: May 10, 2001
Inventors
Dean C. Foltz
Jason Jobe
Assignee (at issue)
Stant Manufacturing Inc.
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.