John Elwell

Follow

Person

Nottingham, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Method for authenticating key information between terminals of a co...
- Patent number 9,621,353
- Issue date Apr 11, 2017
- Unify GmbH & Co. KG
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for authenticating key information between terminals of a co...
- Patent number 8,745,400
- Issue date Jun 3, 2014
- Siemens Enterprise Communications GmbH & Co. KG
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
End-to-end voice over IP streams for telephone calls established vi...
- Patent number 7,848,315
- Issue date Dec 7, 2010
- Siemens Enterprise Communications Limited
- John Robert Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, terminal and media-relay for establishing a multi-media con...
- Patent number 7,796,620
- Issue date Sep 14, 2010
- Siemens Enterprise Communications GmbH & Co. KG
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for Authenticating Key Information Between Terminals of a Co...
- Publication number 20140223187
- Publication date Aug 7, 2014
- UNIFY GMBH & CO. KG
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR AUTHENTICATING KEY INFORMATION BETWEEN TERMINALS OF A CO...
- Publication number 20110289319
- Publication date Nov 24, 2011
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, terminal and media-relay for establishing a multi-media con...
- Publication number 20080232381
- Publication date Sep 25, 2008
- SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG
- John Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
End-to-end voice over ip streams for telephone calls established vi...
- Publication number 20040081176
- Publication date Apr 29, 2004
- John Robert Elwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE