Granted Patent
Utility
US 6,743,146 · App. 10/242,021
Seven-speed planetary transmissions with a stationary interconnection
Inventors:
Patrick B. Usoro, Madhusudan Raghavan, Chunhao J. Lee
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Sep 12, 2002
Inventors
Patrick B. Usoro
Madhusudan Raghavan
Chunhao J. Lee
Assignee (at issue)
General Motors LLC
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.