Granted Patent
Utility
US 5,902,206 · App. 08/922,476
Differential gear assembly
Inventors:
Hideaki Oda, Makoto Nishiji
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Sep 3, 1997
Inventors
Hideaki Oda
Makoto Nishiji
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.