4. Fire escape, ladder, or scaffold
  5. Torso harness
  6. Strand-engaging, with descent retarder

Boris Rogelja

Inventor

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Descender

Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Patent

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Descender

Fire escape – ladder – or scaffold – Single stile – strand or pole – Flexible
Patent

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Descender

Brakes – Strand – Tortuous grip
Patent

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Descender with two-way locking lever

Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Reexamination Certificate

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Roping device

Fire escape – ladder – or scaffold – Torso harness – Attached to strand wound on reel – and means for retarding...
Patent

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Profile ID: LFUS-PAI-P-161988

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