Robert Turnbull

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for VLAN ID discovery
- Patent number 7,385,973
- Issue date Jun 10, 2008
- Nortel Networks Limited
- Trystan Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Text-to-speech driven annunciation of caller identification
- Patent number 6,108,630
- Issue date Aug 22, 2000
- Nortel Networks Corporation
- Timothy Augustines Kuechler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system without common control
- Patent number 6,088,362
- Issue date Jul 11, 2000
- Nortel Networks Corporation
- Robert Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system without common control
- Patent number 6,072,826
- Issue date Jun 6, 2000
- Nortel Networks Corporation
- Robert Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system without common control
- Patent number 6,046,995
- Issue date Apr 4, 2000
- Nortel Networks Corporation
- Robert Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flexible, tapeless, personalized auto-attendant telephone
- Patent number 5,892,814
- Issue date Apr 6, 1999
- Northern Telecom Limited
- Michel Joseph A. Brisebois
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system without common control
- Patent number 5,787,115
- Issue date Jul 28, 1998
- Northern Telecom Limited
- Robert Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for removing FSK in-band signaling
- Patent number 5,768,367
- Issue date Jun 16, 1998
- Northern Telecom Limited
- David Jeffrey Westergaard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of operating a microprocessor controlled telephone set
- Patent number 5,590,189
- Issue date Dec 31, 1996
- Northern Telecom Ltd.
- Robert B. Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Control of echo return loss on a PC based IP telephone
- Publication number 20020085707
- Publication date Jul 4, 2002
- Robert B. Turnbull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Robert Turnbull

Person

Patents Grantslast 30 patents

Method and apparatus for VLAN ID discovery

Text-to-speech driven annunciation of caller identification

Key telephone system without common control

Key telephone system without common control

Key telephone system without common control

Flexible, tapeless, personalized auto-attendant telephone

Key telephone system without common control

Method and apparatus for removing FSK in-band signaling

Method of operating a microprocessor controlled telephone set

Patents Applicationslast 30 patents

Control of echo return loss on a PC based IP telephone