TREA

Job Frederick Smith

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  • Derby, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Underground mine equipment
    • Patent number 4,068,088
    • Issue date Jan 10, 1978
    • Coal Industry (Patents) Limited
    • Job Frederick Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Protection equipment for flexible elongated members
    • Patent number 4,006,875
    • Issue date Feb 8, 1977
    • Coal Industry (Patents) Limited
    • Job Frederick Smith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...