Royston J. North

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Cheltenham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Mixing valve
- Patent number 4,834,130
- Issue date May 30, 1989
- Caradon Mira Limited
- Royston J. North
- G05 - CONTROLLING REGULATING
Information Patent Grant
Thermostatic devices
- Patent number 4,285,465
- Issue date Aug 25, 1981
- Walker Crosweller & Company Limited
- Royston J. North
- G05 - CONTROLLING REGULATING