Granted Patent
Utility
US 4,452,094 · App. 06/369,508
Overdrive transmission for automotive vehicles
Inventor:
Thomas Schetter
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Apr 19, 1982
Inventor
Thomas Schetter
Assignee (at issue)
DANA LIMITED
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.