Charles David Caldwell

Person

Cliffwood Beach, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for providing speech-to-text encoding and telepho...
- Patent number 9,361,888
- Issue date Jun 7, 2016
- AT&T Intellectual Property II, L.P.
- Charles David Caldwell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for providing speech-to-text encoding and telepho...
- Patent number 8,489,397
- Issue date Jul 16, 2013
- AT&T Intellectual Property II, L.P.
- Charles David Caldwell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for providing speech-to-text encoding and telepho...
- Patent number 8,265,931
- Issue date Sep 11, 2012
- AT&T Intellectual Property II, L.P.
- Charles David Caldwell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for allowing simultaneous usage of prepaid services
- Patent number 8,019,686
- Issue date Sep 13, 2011
- AT&T Intellectual Property II, L.P.
- Thomas Michael Bauer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for allowing simultaneous usage of prepaid services
- Patent number 7,627,529
- Issue date Dec 1, 2009
- AT&T Corp.
- Thomas Michael Bauer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subscriber terminal for providing speech-text encoding and telephon...
- Patent number 7,433,818
- Issue date Oct 7, 2008
- AT&T Corp.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for providing speech-to-text encoding and telepho...
- Patent number 7,027,986
- Issue date Apr 11, 2006
- AT&T Corp.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for defining a local communication space
- Patent number 6,687,349
- Issue date Feb 3, 2004
- AT&T Corp.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spontaneous messaging service for prepaid calling card users
- Patent number 6,418,202
- Issue date Jul 9, 2002
- AT&T Corp.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for processing broadcast stream comprises a human-perceptibl...
- Patent number 6,021,432
- Issue date Feb 1, 2000
- Lucent Technologies Inc.
- Theodore Sizer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interactive system for communications between a cordless telephone...
- Patent number 5,671,267
- Issue date Sep 23, 1997
- Lucent Technologies Inc.
- Katherine Grace August
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...
- Publication number 20160284352
- Publication date Sep 29, 2016
- AT&T Intellectual Property II, L.P.
- Charles David CALDWELL
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...
- Publication number 20130304466
- Publication date Nov 14, 2013
- Charles David Caldwell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method and Device for Providing Speech-to-Text Encoding and Telepho...
- Publication number 20130003945
- Publication date Jan 3, 2013
- AT&T Intellectual Property II, L.P.
- Charles David Caldwell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...
- Publication number 20080319745
- Publication date Dec 25, 2008
- AT&T CORP.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Device for Providing Speech-to-Text Encoding and Telepho...
- Publication number 20060106602
- Publication date May 18, 2006
- AT&T CORP.
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for providing speech-to-text encoding and telepho...
- Publication number 20030163310
- Publication date Aug 28, 2003
- Charles David Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Charles David Caldwell

Person

Patents Grantslast 30 patents

Method and device for providing speech-to-text encoding and telepho...

Method and device for providing speech-to-text encoding and telepho...

Method and device for providing speech-to-text encoding and telepho...

Method and system for allowing simultaneous usage of prepaid services

Method and system for allowing simultaneous usage of prepaid services

Subscriber terminal for providing speech-text encoding and telephon...

Method and device for providing speech-to-text encoding and telepho...

System and method for defining a local communication space

Spontaneous messaging service for prepaid calling card users

System for processing broadcast stream comprises a human-perceptibl...

Interactive system for communications between a cordless telephone...

Patents Applicationslast 30 patents

METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...

METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...

Method and Device for Providing Speech-to-Text Encoding and Telepho...

METHOD AND DEVICE FOR PROVIDING SPEECH-TO-TEXT ENCODING AND TELEPHO...

Method and Device for Providing Speech-to-Text Encoding and Telepho...

Method and device for providing speech-to-text encoding and telepho...