Granted Patent
Utility
US 6,186,432 · App. 09/477,780
Energy absorbing seat belt retractor having a torsion bar
Inventor:
Richard W. Koning
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Jan 5, 2000
Inventor
Richard W. Koning
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.