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H04Q2213/282

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HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

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H04Q2213/282Call forwarding

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Patents Grantslast 30 patents

Information Patent Grant
Methods for performing intellignet network services with an ISDN ne...
- Patent number 5,818,819
- Issue date Oct 6, 1998
- International Business Machines Corporation
- Charles Clifford Hallock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for performing intelligent network services with an ISDN ne...
- Patent number 5,812,535
- Issue date Sep 22, 1998
- International Business Machines Corporation
- Charles Clifford Hallock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for performing intelligent network services with an ISDN ne...
- Patent number 5,768,262
- Issue date Jun 16, 1998
- International Business Machines Corp.
- Charles Clifford Hallock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications device to establish call in ISDN system
- Patent number 5,640,449
- Issue date Jun 17, 1997
- International Business Machines Corporation
- Barry John Worley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Incoming call transfer terminal
- Patent number 5,422,942
- Issue date Jun 6, 1995
- Sony Corporation
- Isao Kakwashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal communication system
- Patent number 5,309,511
- Issue date May 3, 1994
- Kabushiki Kaisha Toshiba
- Siro Kotake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents