Granted Patent
Utility
US 6,729,991 · App. 10/149,572
Combined differential gear device
Inventors:
Makoto Nishiji, Shinichiro Nakajima
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jun 12, 2002
Inventors
Makoto Nishiji
Shinichiro Nakajima
Assignee (at issue)
Bosch Automotive Systems 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.