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

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

Deer stand

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

Deer stand

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

Deer stand

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

Deer stand

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

Deer stand

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

Deer stand

Fire escape – ladder – or scaffold – Self-sustaining

Deer stand apparatus

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

Deer stand with improved tree fastening means

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

Deer stand with unitary welded construction

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable

Deer stands

Fire escape – ladder – or scaffold – With sucker rod support

Delayed deployment platform

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

Delayed restraint release device for inflatable escape slides

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

Demountable boat ladder

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

Demountable dock assembly

Fire escape – ladder – or scaffold – With storage device for supple escape

Deployable emergency escape ladder

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

Deployable rail structure for high-rise building evacuation syst

Fire escape – ladder – or scaffold – Torso harness – Ladder-associated

Derrick counterweight assembly

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

Derrick elevator

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

Derrick escape system