Granted Patent
Utility
US 6,424,845 · App. 09/335,804
Portable communication device
Inventors:
Stephen J. Emmoft, Sarah Woods, Graham I. Johnson
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 17, 1999
Inventors
Stephen J. Emmoft
Sarah Woods
Graham I. Johnson
Assignee (at issue)
NCR 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.