Granted Patent
Utility
US 6,453,940 · App. 09/467,273
Insert bonded combination valve
Inventors:
Larry J. Tipton, Aaron Kiser
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Dec 20, 1999
Inventors
Larry J. Tipton
Aaron Kiser
Assignee (at issue)
Federal-Mogul LLC
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.