Granted Patent
Utility
US 5,483,221 · App. 08/150,315
Seat belt usage indicating system
Inventors:
Douglas Mutter, Peter Langer, Payal Agarwal
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Nov 12, 1993
Inventors
Douglas Mutter
Peter Langer
Payal Agarwal
Assignee (at issue)
Ford Motor Company
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.