Granted Patent
Utility
US 5,599,250 · App. 08/404,633
Torque distribution type differential gear system
Inventors:
Shinichiro Nakajima, Hideyuki Sato, Makoto Nishiji, Paolo Sachettini
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Mar 15, 1995
Inventors
Shinichiro Nakajima
Hideyuki Sato
Makoto Nishiji
Paolo Sachettini
Assignee (at issue)
Zexel GmbH
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.