Granted Patent
Utility
US 6,647,249 · App. 09/651,227
Radio telephone
Inventor:
Martin Crisp
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Aug 30, 2000
Inventor
Martin Crisp
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.