Granted Patent
Utility
US 5,899,402 · App. 09/060,241
Torsion bar with sharp, rapid onset property and retractor
Inventor:
Richard W. Koning
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Apr 14, 1998
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.