4. Handling: hand and hoist-line implements
  5. Hand bars and hand barrows
  6. Cant hook type

Russell B. Gordon

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Air conduit for manhole

Pipes and tubular conduits – With flow regulators and/or baffles – Flow facilitating
Patent

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Manhole cover lifting device

Handling: hand and hoist-line implements – Hand bars and hand barrows – Cant hook type
Patent

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Method and apparatus for ventilating an enclosure accessed by a

Pipes and tubular conduits – Repairing
Patent

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Profile ID: LFUS-PAI-P-41274

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