4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Shoring, bracing, or cave-in prevention

Luther Bradford Barringer

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Trench shield handling assembly

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

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Trench shield handling assembly

Material or article handling equipment – Conveying – lifting – or transferring article – Crane or hoist
Patent

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Trench shield stacking bracket

Tools and hardware – Fastener – support or mount not elsewhere specified – Support – guide – or spacer
Patent

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Trench shield stacking device

Supports – Brackets – Specially mounted or attached
Patent

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Profile ID: LFUS-PAI-P-19320

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