Granted Patent
Utility
US 6,724,366 · App. 09/825,107
Thumb actuated x-y input device
Inventor:
Peter Crawford
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Apr 3, 2001
Inventor
Peter Crawford
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.