Granted Patent
Utility
US 4,648,366 · App. 06/730,992
Vehicle speed control device
Inventor:
Walter E. Thornton-Trump
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: May 6, 1985
Inventor
Walter E. Thornton-Trump
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.