Granted Patent
Utility
US 6,661,920 · App. 09/487,552
Method and apparatus for multiple simultaneously active data entry mechanisms on a computer system
Inventor:
Craig S. Skinner
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jan 19, 2000
Inventor
Craig S. Skinner
Assignee (at issue)
PALM FIRM CORPORATION
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.