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

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

Link ladder

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

Locking device for bidirectionally foldable step ladders

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

Locking foldable sawhorse

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

Locking swivel for rotatably connecting two components

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

Locking-collapsible saw horse

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

Mechanic's walk

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

Metal ladder construction with reinforced side rails

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

Mini portable scaffolding

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

Modular hinged scaffold unit

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

Modular ladder assembly

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

Modular saw horse

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

Modular scaffolding gantry

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

Move-on ladder system

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

Multi-fold collapsible ladder

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 – Unitary foldable – rigid scaffold or ladder – Collapsible ladder

Multiple functional, foldable, and portable ladder

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

Platform stool

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

Portable and adjustable workbench