Granted Patent
Utility
US 6,298,554 · App. 09/542,738
Flexible vented self-sealing dispensing valve
Inventor:
Timothy J. Fuchs
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Apr 4, 2000
Inventor
Timothy J. Fuchs
Assignee (at issue)
Owens-Illinois Closure 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.