Granted Patent
Utility
US 6,169,890 · App. 08/436,328
Mobile telephone system and method for carrying out financial transactions using a mobile telephone system
Inventor:
Harri Vatanen
Patented Case
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Granted: Jan 2, 2001
Filed: Oct 12, 1995
Inventor
Harri Vatanen
Assignee (at issue)
Sonera Smarttrust Oy
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.