Granted Patent
Utility
US 6,439,493 · App. 09/460,597
Seat belt retractor
Inventors:
Martin Specht, Steve Marshall
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 14, 1999
Inventors
Martin Specht
Steve Marshall
Assignee (at issue)
Breed Automotive Technology, 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.