Granted Patent
Utility
US 6,484,027 · App. 09/094,600
Enhanced wireless handset, including direct handset-to-handset communication mode
Inventors:
Daniel W. Mauney, Marc Sullivan, Charles A. Green, Steven A. Harbin
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jun 15, 1998
Inventors
Daniel W. Mauney
Marc Sullivan
Charles A. Green
Steven A. Harbin
Assignee (at issue)
SBC Technology Resources 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.