Granted Patent
Utility
US 6,647,771 · App. 09/927,736
External pressure display for vehicle tires
Inventor:
Alan Alexander Burns
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Aug 10, 2001
Inventor
Alan Alexander Burns
Assignee (at issue)
MLHD, 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.