Granted Patent
Utility
US 6,554,150 · App. 09/964,235
Contaminant cover for tank filler neck closure assembly
Inventor:
Dean C. Foltz
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 26, 2001
Inventor
Dean C. Foltz
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.