Granted Patent
Utility
US 5,903,630 · App. 08/885,194
Method and apparatus for specifying alphanumeric information with a telephone keypad
Inventor:
Gregg Collins
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Jun 30, 1997
Inventor
Gregg Collins
Assignee (at issue)
Movo Media, 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.