Granted Patent
Utility
US 6,520,881 · App. 09/922,166
Fly-by-wire electro-hydraulic control mechanism for a six speed transmission
Inventors:
Charles F. Long, Martin Robert Dadel
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Aug 6, 2001
Inventors
Charles F. Long
Martin Robert Dadel
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.