LandOfFree - US Patents - Listing for Fire escape, ladder, or scaffold

Fire escape – ladder – or scaffold – Wall- or floor-attached – Wall-mounted platform – with ladder

Multifloor-type escape bridge apparatus for use in multistory bu

Fire escape – ladder – or scaffold – Ladder – Slidable nested single rung units

Multifunctional adjustable ladder assembly

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

Multifunctional belaying device for a rope

Fire escape – ladder – or scaffold – With handrail or guard for ladder

Multipiece interfitting steps for a swimming pool

Fire escape – ladder – or scaffold – With handrail or guard for ladder

Multipiece interfitting steps for a swimming pool

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Collapsible ladder

Multiple functional, foldable, and portable ladder

Fire escape – ladder – or scaffold – Plural platforms – common support – Mounted for relative motion

Multiple lift platform with lateral movement

Fire escape – ladder – or scaffold – Torso harness – Window washer type

Multiple stage personal fall arrest energy absorber

Fire escape – ladder – or scaffold – Torso harness – Window washer type

Multiple stage personal fall arrest energy absorber

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means

Multiple task working platform

Fire escape – ladder – or scaffold – Convertible

Multiple use convertible elevated stand and cart

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

Multiple-person evacuation method and apparatus

Fire escape – ladder – or scaffold – Convertible – Ladder

Multiple-purpose work unit

Fire escape – ladder – or scaffold – Convertible – Ladder

Multipurpose aluminum folding ladder equipped with a detachable

Fire escape – ladder – or scaffold – Scaffold external of shaft

Multipurpose hunting cart

Fire escape – ladder – or scaffold – Convertible – Ladder

Multipurpose ladder

Fire escape – ladder – or scaffold – Ladder – With spacer means

Multipurpose ladder fixture

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Multipurpose machine

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

Multipurpose safety and positioning belt