Granted Patent
Utility
US 5,417,152 · App. 08/002,893
Speed controls
Inventor:
Robert G. Harrison
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jan 11, 1993
Inventor
Robert G. Harrison
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.