Granted Patent
Utility
US 6,643,371 · App. 09/944,640
Method and apparatus for alphanumeric data entry
Inventor:
Gary N. Mager
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Aug 31, 2001
Inventor
Gary N. Mager
Assignee (at issue)
Wildseed, Ltd.
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.