4. Fire escape, ladder, or scaffold
  5. Inclined cable supporting carrier traveling therealong

Gordon W. Christopher

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Derrick elevator

Fire escape – ladder – or scaffold – Inclined cable supporting carrier traveling therealong
Patent

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Hydraulic elevator

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Stabbing board assembly

Fire escape – ladder – or scaffold – Wall- or floor-attached
Patent

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Profile ID: LFUS-PAI-P-753146

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