David J. Berman

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Swampscott, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular data communication equipment system
- Patent number 6,980,564
- Issue date Dec 27, 2005
- Nortel Networks Limited
- Juan O. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network apparatus with removable electronic module
- Patent number 6,098,131
- Issue date Aug 1, 2000
- Nortel Networks Limited
- Dave Unger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR