Granted Patent
Utility
US 5,544,838 · App. 08/194,030
Seat belt retractor
Inventors:
Richard A. Boelstler, Chhay Siev
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Feb 9, 1994
Inventors
Richard A. Boelstler
Chhay Siev
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.