Granted Patent
Utility
US 6,735,287 · App. 09/990,760
Method and system for multimodal presence detection
Inventors:
Claire Svetlana Vishik, Sreenivasa Gorti, Paul Van Vleck
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Nov 16, 2001
Inventors
Claire Svetlana Vishik
Sreenivasa Gorti
Paul Van Vleck
Assignee (at issue)
SBC Technology Resources Inc
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.