Norman S. Thomas

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Northwich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Device for joining two concrete members together
- Patent number 6,379,077
- Issue date Apr 30, 2002
- C. V. Buchan Ltd.
- Peter Geoffrey Camber
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for joining two members together
- Patent number 5,549,416
- Issue date Aug 27, 1996
- C.V. Buchan Limited
- Norman S. Thomas
- E04 - BUILDING
Information Patent Grant
Tunnel lining, segment therefore and method of lining a tunnel
- Patent number 4,318,636
- Issue date Mar 9, 1982
- Sheridan Contractors (Engineering) Limited
- Norman S. Thomas
- E21 - EARTH DRILLING MINING