Inventor
GRAHAM DEREK S
US4 patents
Patents
4 patentsUS7236576B2Jun 26, 2007
Common visual and functional architecture for presenting and controlling arbitrary telephone line features
MICROSOFT CORP129 citations96
US6389124B1May 14, 2002
Common visual and functional architecture for presenting and controlling arbitrary telephone line features
MICROSOFT CORP203 citations96
US7225409B1May 29, 2007
Graphical user interface for a screen telephone
MICROSOFT CORP124 citations94
US6975712B1Dec 13, 2005
Common visual and functional architecture for presenting and controlling arbitrary telephone line features
MICROSOFT CORP83 citations94