TREA

Alec Sykes

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  • Huddersfield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tractor ballast weight assemblies
    • Patent number 4,299,405
    • Issue date Nov 10, 1981
    • David Brown Tractors Limited
    • John A. Withers
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable-track wheels
    • Patent number 4,178,042
    • Issue date Dec 11, 1979
    • David Brown Tractors Limited
    • Alec Sykes
    • B60 - VEHICLES IN GENERAL