Granted Patent
Utility
US 6,671,365 · App. 09/943,581
Method and arrangement for call control using a computer connected to a network
Inventor:
Vesa Kemppainen
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Aug 30, 2001
Inventor
Vesa Kemppainen
Assignee (at issue)
Tecnomen Oyj
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.