Granted Patent
Utility
US 5,183,132 · App. 07/609,914
Power transfer device having center differential gear for four-wheel drive vehicle
Inventor:
Mutsumi Fujisawa
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Nov 6, 1990
Inventor
Mutsumi Fujisawa
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.