Granted Patent
Utility
US 6,694,837 · App. 10/120,193
Forward/reverse transmission for scale model vehicle
Inventor:
Shi-Tang Yeh
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Apr 9, 2002
Inventor
Shi-Tang Yeh
Assignee (at issue)
TRAXXAS, L.P.
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.