Harold E. Jackson

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Winchester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Time switches
- Patent number 4,580,061
- Issue date Apr 1, 1986
- Plympton Patents Limited
- Harold E. Jackson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control arrangements for heating circuits
- Patent number 4,323,192
- Issue date Apr 6, 1982
- Plympton Patents Limited
- Harold E. Jackson
- F24 - HEATING RANGES VENTILATING