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

Fire escape – ladder – or scaffold – Safety device for ground-supported ladder – Terminal foot or shoe

Multi-material cover for a ladder rail end

Fire escape – ladder – or scaffold – Ladder with land vehicle

Multi-position ladder and support therefor

Fire escape – ladder – or scaffold – Traversing – track-mounted – Ground- or floor-engaging

Multi-position ladder and support therefor

Fire escape – ladder – or scaffold – Ladder with land vehicle

Multi-position ladder and support therefor

Fire escape – ladder – or scaffold – Ladder with pivoted prop – Section extensible below prop pivot

Multi-purpose extendable and retractable ladder

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

Multi-purpose ladder adapter

Fire escape – ladder – or scaffold – Combined

Multi-purpose ladder apron

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

Multi-purpose ladder attachment

Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means

Multi-purpose ladder with locking mechanism for extendible legs

Fire escape – ladder – or scaffold – Convertible – Ladder

Multi-purpose piece of furniture for use as chair and step-ladde

Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended

Multi-purpose portable davit anchoring system

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

Multi-purpose sawhorse

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

Multi-purpose scaffold

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

Multi-purpose vehicle

Fire escape – ladder – or scaffold – Convertible

Multi-purpose work unit

Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse

Multi-purpose worktable

Fire escape – ladder – or scaffold – Wall- or floor-attached – Single pole or strand

Multi-section ladder for scaling poles

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

Multi-use ladder support apparatus

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

Multicell articulated riser system for a self propelled aerial w