David W. Heinzelmann

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Bedford, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Data muting method and apparatus using delay circuits for communica...
- Patent number 5,490,166
- Issue date Feb 6, 1996
- Motorola, Inc.
- David W. Heinzelmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Location-based adaptive radio control
- Patent number 5,442,805
- Issue date Aug 15, 1995
- Motorola, Inc.
- Richard C. Sagers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic antenna coupler fault detector and indicator
- Patent number 5,257,407
- Issue date Oct 26, 1993
- Motorola, Inc.
- David W. Heinzelmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE