4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Rock or earth bolt or anchor

Jeffrey Robert Fergusson

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Mine bolt

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Mine bolt driver

Machines not elsewhere specified – Agricultural or construction machinery – Drilling – mining – or soil treatment
Design Patent

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Plate for use in support of a mine roof

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent

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Rock bolt and method of installing a rock bolt

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent

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Rock bolt support plate

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-573890

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