Granted Patent
Utility
US 5,270,930 · App. 07/799,112
Four wheel driving vehicle of a front/rear wheel differential operation limiting type
Inventors:
Masayoshi Ito, Kaoru Sawase, Kenichiro Shinada, Yoshihito Ito, Keiji Suzuki, Shunzo Tanaka
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Nov 27, 1991
Inventors
Masayoshi Ito
Kaoru Sawase
Kenichiro Shinada
Yoshihito Ito
Keiji Suzuki
Shunzo Tanaka
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.