Granted Patent
Utility
US 6,405,029 · App. 09/685,169
Wireless prepaid telephone system with dispensable instruments
Inventor:
Byard G. Nilsson
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Oct 10, 2000
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.