Granted Patent
Utility
US 5,804,608 · App. 08/716,432
Heat-foamable filling reinforcement and reinforced closed-section structural-member making use of the same
Inventors:
Kazuyuki Nakazato, Hideki Fukudome
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Sep 20, 1996
Inventors
Kazuyuki Nakazato
Hideki Fukudome
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.