Granted Patent
Utility
US 6,204,848 · App. 09/291,344
Data entry apparatus having a limited number of character keys and method
Inventors:
Steven J. Nowlan, Ali Ebrahimi, David Whaley, Pierre Demartines, Sreeram Viswanath Balakrishnan, Sheridan Rawlins
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Apr 14, 1999
Inventors
Steven J. Nowlan
Ali Ebrahimi
David Whaley
Pierre Demartines
Sreeram Viswanath Balakrishnan
Sheridan Rawlins
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.