Granted Patent
Utility
US 5,982,351 · App. 08/941,016
Method and apparatus for supplementing a keyboard and for helping a user operate an electronic device
Inventors:
Richard White, Jeffrey Ricks Stripling, Ardsley Pihl Congdon, Jr., David Kilp, Mark Beckwith, Keith Grandin, Nickolaos Pete Lagen
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 30, 1997
Inventors
Richard White
Jeffrey Ricks Stripling
Ardsley Pihl Congdon, Jr.
David Kilp
Mark Beckwith
Keith Grandin
Nickolaos Pete Lagen
Assignee (at issue)
Motorola, 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.