Granted Patent
Utility
US 6,551,208 · App. 09/981,417
Three-mode, compound-split, electrically-variable transmission
Inventors:
Alan G. Holmes, Michael R. Schmidt, Donald Klemen
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 18, 2001
Inventors
Alan G. Holmes
Michael R. Schmidt
Donald Klemen
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.