Granted Patent
Utility
US 6,360,980 · App. 09/514,022
Seat belt retractor with torsion bar
Inventor:
John A. Lee
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Feb 25, 2000
Inventor
John A. Lee
Assignee (at issue)
TRW VEHICLE SAFETY SYSTEMS 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.