Dale H. Nelson

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Cumberland, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital-to-analog converter
- Patent number 4,539,552
- Issue date Sep 3, 1985
- AT&T Bell Laboratories
- Paul C. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronically-switched multifrequency generator with transducer co...
- Patent number 4,352,958
- Issue date Oct 5, 1982
- Bell Telephone Laboratories, Incorporated
- Paul C. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronically-switched multifrequency generator for providing tone...
- Patent number 4,196,318
- Issue date Apr 1, 1980
- Bell Telephone Laboratories, Incorporated
- Dale H. Nelson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE