Granted Patent
Utility
US 6,435,441 · App. 09/640,664
Seat belt retractor
Inventors:
Hiroshi Kajiyama, Hiroaki Fujii
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 18, 2000
Inventors
Hiroshi Kajiyama
Hiroaki Fujii
Assignee (at issue)
TAKATA CORPORATION
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.