Granted Patent
Utility
US 6,502,607 · App. 10/120,098
Fuel tank valve apparatus
Inventors:
Gregory P. Brown, Brian Allen Engle
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Apr 10, 2002
Inventors
Gregory P. Brown
Brian Allen Engle
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.