4. Traversing hoists
  5. Boom position lock

David L. Hensler

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Automatic boom rest and latch

Joints and connections – Structurally installed in diverse art device
Patent

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Automatic pole guide transfer mechanism

Material or article handling – Pole or tree handlers
Reexamination Certificate

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Control wand for overhead personnel crane

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent

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Pivotable boom rest and latch

Traversing hoists – Boom position lock
Patent

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Profile ID: LFUS-PAI-P-664776

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