Michael J. Lucas

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Airdrie, CA

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Patents Grantslast 30 patents

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
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