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

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

Extending ladder and associated manufacturing methods

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

Extending ladder and associated manufacturing methods

Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Occupant actuation or control

Extensible and retractable step assembly

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

Extensible boom

Fire escape – ladder – or scaffold – Chute or escape tower for personnel

Extensible evacuation slide

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

Extensible ladder

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

Extensible ladder

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

Extensible ladder

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

Extensible ladder for boats

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

Extensible step assembly

Fire escape – ladder – or scaffold – Wall- or floor-attached – Retractable or collapsible beneath floor – track-mounted

Extensible stowable ladder device

Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support

Extensible, self locking platform and method of using same

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

Extension boom for tractors having back hoe attachments

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

Extension device for a ladder

Fire escape – ladder – or scaffold – Ladder – With hook or grab

Extension ladder

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladder

Fire escape – ladder – or scaffold – Ladder – Extension

Extension ladder

Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support

Extension ladder and tree stand

Fire escape – ladder – or scaffold – Combined

Extension ladder attachment