David Ralph Cockram

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Wigan, GB

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Patents Grantslast 30 patents

Information Patent Grant
Alkali-resistant glass fibres
- Patent number 4,330,628
- Issue date May 18, 1982
- Pilkington Brothers Limited
- David R. Cockram
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass fibres for reinforcement of cement products
- Patent number 4,123,287
- Issue date Oct 31, 1978
- Pilkington Brothers Limited
- David R. Cockram
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Polyhydroxy aromatic coating compositions for reinforcing glass fib...
- Patent number 4,109,051
- Issue date Aug 22, 1978
- Pilkington Brothers Limited
- David Ralph Cockram
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES