Granted Patent
Utility
US 6,814,639 · App. 10/461,647
Air valve
Inventor:
Leroy L. Peterson
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jun 13, 2003
Inventor
Leroy L. Peterson
Assignee (at issue)
Sportsstuff, 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.