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

Fire escape – ladder – or scaffold – Torso harness

Harness with adjustable means for supporting a tool belt

Fire escape – ladder – or scaffold – Torso harness

Hawaii trapeze spreader bar

Fire escape – ladder – or scaffold – Torso harness

Hawaii trapeze spreader bar

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

Hazardous elevated structure emergency escape device

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

Heavy duty fold out saw horse

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

Heavy duty fold out saw horse

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Alternate grasping

Heavy duty pump jack

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

Heavy duty sawhorse brace

Fire escape – ladder – or scaffold – Combined

Height adjustable apparatus

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

Height adjustable roof engaging attachment for ladders

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

Height adjustable sawhorse

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

Height and working width adjustable sawhorse

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

Helical ramp life-preserver

Fire escape – ladder – or scaffold – Ladder and platform

Helicopter access platform

Fire escape – ladder – or scaffold – Suspended platform

Helicopter lineman's ladder and method for energized...

Fire escape – ladder – or scaffold – Suspended platform

Helicopter lineman's ladder and method for energized...

Fire escape – ladder – or scaffold – Suspended platform

Helicopter lineman's ladder

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

Helicopter stairs

Fire escape – ladder – or scaffold – Suspended platform

Helicopter-carried nacelle and its use process for the replaceme