Granted Patent
Utility
US 4,819,685 · App. 07/184,267
Tubeless tire valve
Inventor:
Ezio Pagani
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Apr 21, 1988
Inventor
Ezio Pagani
Assignee (at issue)
Bridge Products, 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.