Granted Patent
Utility
US 6,227,340 · App. 09/379,404
Automatic transmission with dual gain multi-disk friction device
Inventor:
Thomas E. Braford, Jr.
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Aug 24, 1999
Inventor
Thomas E. Braford, Jr.
Assignee (at issue)
BorgWarner Inc.
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.