David M. Walker

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Freuchie, GB

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Patents Grantslast 30 patents

Information Patent Grant
Displacement measuring transducer
- Patent number 4,353,050
- Issue date Oct 5, 1982
- Ranco Incorporated
- Alan Pelczyk
- G01 - MEASURING TESTING
Information Patent Grant
Position sensing transducer
- Patent number 4,284,990
- Issue date Aug 18, 1981
- Hughes Microelectronics Ltd.
- Albert L. Fowler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Spark timing control circuit for controlling the timing of spark ig...
- Patent number 4,262,644
- Issue date Apr 21, 1981
- Hughes Microelectronics, Ltd.
- David M. Walker
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS