Granted Patent
Utility
US 6,659,903 · App. 10/174,350
Multi-speed transmissions with three gear sets and a stationary planetary member
Inventors:
Norman K. Bucknor, Patrick B. Usoro, Madhusudan Raghavan, Chunhao J. Lee
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jun 18, 2002
Inventors
Norman K. Bucknor
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.