Granted Patent
Utility
US 6,545,667 · App. 09/657,406
Apparatus for a convenient and comfortable cursor control device
Inventor:
David M. Lilenfield
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 8, 2000
Inventor
David M. Lilenfield
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.