Granted Patent
Utility
US 6,755,919 · App. 10/089,035
Stainless steel tube for automobile structure
Inventors:
Takaaki Toyooka, Akira Yorifuji, Makoto Kitazawa, Yoshikazu Kawabata, Motoaki Itadani, Masatoshi Aratani, Takatoshi Okabe
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Mar 26, 2002
Inventors
Takaaki Toyooka
Akira Yorifuji
Makoto Kitazawa
Yoshikazu Kawabata
Motoaki Itadani
Masatoshi Aratani
Takatoshi Okabe
Assignee (at issue)
JFE Steel 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.