TREA

David W. Price

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  • Cheltenham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Waterproof sheeting
    • Patent number 4,458,043
    • Issue date Jul 3, 1984
    • Coal Industry (Patents) Limited
    • Edwin L. Evans
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sealant material
    • Patent number 4,277,568
    • Issue date Jul 7, 1981
    • Coal Industry (Patents) Limited
    • Joseph A. Davison
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sealant material
    • Patent number 4,251,413
    • Issue date Feb 17, 1981
    • Coal Industry (Patents) Limited
    • Joseph A. Davison
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lute
    • Patent number 4,111,709
    • Issue date Sep 5, 1978
    • Coal Industry (Patents) Limited
    • David Watkin Price
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Extraction of coal
    • Patent number 4,101,413
    • Issue date Jul 18, 1978
    • Coal Industry (Patents) Limited
    • William Derek Jones
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...