Granted Patent
Utility
US 6,647,255 · App. 10/120,632
Wireless telephone system with mobile instruments for outgoing calls
Inventor:
Byard G. Nilsson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Apr 11, 2002
Inventor
Byard G. Nilsson
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.