John Butterfield

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Wilsden, GB

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Patents Grantslast 30 patents

Information Patent Grant
Horizontal deflection and EHT generator circuit
- Patent number 5,012,164
- Issue date Apr 30, 1991
- Microvitec Plc
- John Butterfield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Horizontal deflection stage
- Patent number 4,774,439
- Issue date Sep 27, 1988
- Microvitec Plc
- John Butterfield
- H04 - ELECTRIC COMMUNICATION TECHNIQUE