Granted Patent
Utility
US 6,817,620 · App. 10/211,091
Precision steer wheel control system with internal solenoid
Inventor:
Durrell U. Howard
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Aug 2, 2002
Inventor
Durrell U. Howard
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.