David J. Borthwick

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Ipswich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Communications system with direct access mailbox
- Patent number 7,756,258
- Issue date Jul 13, 2010
- British Telecommunications plc
- David J Clift
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer-telephony integration
- Patent number 7,512,225
- Issue date Mar 31, 2009
- British Telecommunications plc
- David J Borthwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Computer-Telephony Integration
- Publication number 20080232350
- Publication date Sep 25, 2008
- David J Borthwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communications system with direct access mailbox
- Publication number 20070168428
- Publication date Jul 19, 2007
- David J. Clift
- H04 - ELECTRIC COMMUNICATION TECHNIQUE