Granted Patent
Utility
US 4,823,596 · App. 06/933,790
Manual transmission shift evaluation device
Inventors:
Richard S. Meyers, George A. Willford
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Nov 24, 1986
Inventors
Richard S. Meyers
George A. Willford
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.