Harvey R. Lehman

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Batavia, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital communication network architecture for providing universal...
- Patent number 4,763,317
- Issue date Aug 9, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Harvey R. Lehman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for switching multirate digitized voice and data
- Patent number 4,547,877
- Issue date Oct 15, 1985
- AT&T Bell Laboratories
- Harvey R. Lehman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE