Granted Patent
Utility
US 6,637,552 · App. 10/255,546
Inflatable vehicle braking system
Inventor:
Leroy L. Peterson
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Sep 26, 2002
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.