4. Fire escape, ladder, or scaffold
  5. Ladder with vertically moving platform or escape
  6. Ladder supports platform

Michael R. Sears

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Portable lifting apparatus for demountable positioning in an ove

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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Portable swiveling lift device

Fire escape – ladder – or scaffold – Ladder with vertically moving platform or escape – Ladder supports platform
Patent

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Post extracting device

Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Lifter
Reexamination Certificate

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System for converting sliding doors to hung doors

Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent

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Profile ID: LFUS-PAI-P-851885

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