Richard D. Nafziger

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Wheaton, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 5,056,134
- Issue date Oct 8, 1991
- AT&T Bell Laboratories
- Thomas M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
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- Patent number 4,930,154
- Issue date May 29, 1990
- AT&T Bell Laboratories
- Thomas M. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE