Granted Patent
Utility
US 5,543,818 · App. 08/457,807
Method and apparatus for entering text using an input device having a small number of keys
Inventor:
Ed Scott
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Jun 1, 1995
Inventor
Ed Scott
Assignees (at issue)
SONY GROUP CORPORATION
Sony Trans Com Inc.
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.