Harminder Singh

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for extending the directory number of a terminal
- Patent number 6,094,478
- Issue date Jul 25, 2000
- Nortel Networks Corporation
- Paul Shepherd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Long distance service bureau
- Patent number 5,878,122
- Issue date Mar 2, 1999
- Northern Telecom Limited
- Lester Lynn White
- H04 - ELECTRIC COMMUNICATION TECHNIQUE