Granted Patent
Utility
US 5,385,256 · App. 08/004,686
Filler neck closure cap
Inventor:
David M. Brown
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Jan 14, 1993
Inventor
David M. Brown
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.