Granted Patent
Utility
US 6,817,947 · App. 10/401,664
Multi-player game system
Inventor:
Erkki Tanskanen
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Mar 28, 2003
Inventor
Erkki Tanskanen
Assignee (at issue)
Nokia
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.