Eric Bierman

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Service order mechanism for telephone subscriber
- Patent number 6,031,904
- Issue date Feb 29, 2000
- Nortel Networks Corporation
- Yafan An
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Visual calling person display
- Patent number 5,761,279
- Issue date Jun 2, 1998
- Northern Telecom Limited
- Eric Bierman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE