Granted Patent
Utility
US 6,727,921 · App. 09/531,846
Mixed mode input for a graphical user interface (GUI) of a data processing system
Inventor:
Farzad Valad
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Mar 20, 2000
Inventor
Farzad Valad
Assignee (at issue)
International Business Machines 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.