Granted Patent
Utility
US 6,076,544 · App. 09/376,887
Air pump valve head for both schrader and presta valves
Inventor:
Brendan Pierce
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Aug 18, 1999
Inventor
Brendan Pierce
Assignee (at issue)
Bell Sports, 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.