Donald W. BUELL

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct route ISDN primary route interface
- Patent number 8,670,547
- Issue date Mar 11, 2014
- AT&T Intellectual Property I, L.P.
- Timothy R. Whiting
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting a destination number upon receiving...
- Patent number 7,957,516
- Issue date Jun 7, 2011
- AT&T Intellectual Property I, L.P.
- Carol Shifrin Gruchala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct route ISDN primary route interface
- Patent number 7,406,165
- Issue date Jul 29, 2008
- SBC Properties, L.P.
- Timothy R. Whiting
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting a destination number upon receiving...
- Patent number 7,382,870
- Issue date Jun 3, 2008
- AT&T Knowledge Ventures, L.P.
- Carol Shifrin Gruchala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting a destination number upon receiving...
- Patent number 7,136,473
- Issue date Nov 14, 2006
- SBC Properties, L.P.
- Carol Shifrin Gruchala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting a destination number upon receiving...
- Patent number 6,813,346
- Issue date Nov 2, 2004
- SBC Properties, L.P.
- Carol Shifrin Gruchala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR SELECTING A DESTINATION NUMBER UPON RECEIVING...
- Publication number 20080215740
- Publication date Sep 4, 2008
- AT&T KNOWLEDGE VENTURES, L.P.
- Carol Shifrin GRUCHALA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct Route ISDN Primary Route Interface
- Publication number 20080165946
- Publication date Jul 10, 2008
- SBC Properties, LP
- Timothy R. Whiting
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR SELECTING A DESTINATION NUMBER UPON RECEIVING...
- Publication number 20070121875
- Publication date May 31, 2007
- SBC Properties, L.P.
- Carol Shifrin GRUCHALA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for selecting a destination number upon receiving...
- Publication number 20050031113
- Publication date Feb 10, 2005
- SBC Properties L.P.
- Carol Shifrin Gruchala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct route ISDN primary route interface
- Publication number 20020122549
- Publication date Sep 5, 2002
- Timothy R. Whiting
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR SELECTING A DESTINATION NUMBER UPON RECEIVING...
- Publication number 20020057780
- Publication date May 16, 2002
- CAROL SHIFRIN GRUCHALA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE