Ian W. Smith

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Stokenchurch, GB

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Patents Grantslast 30 patents

Information Patent Grant
Suspended ceilings
- Patent number 4,671,033
- Issue date Jun 9, 1987
- Frenger Troughton Limited
- Ian W. Smith
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ceiling panel
- Patent number 4,646,500
- Issue date Mar 3, 1987
- Frenger Troughton Limited
- Ian W. Smith
- F24 - HEATING RANGES VENTILATING