LandOfFree - US Patents - Listing for Fire escape, ladder, or scaffold,Having transpositioning base and erecting means

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

Bridge underview device

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

Bus loader

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

Centerline double riser with single lift cylinder and link for a

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

Combination staircase and attic fan means

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

Combined trailer and hunting stand operable between elevated...

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Control mechanism for aerial ladders

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

Demountable dock assembly

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Device for preventing jutting-out of ladder of ladder truck

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

Electric light weight portable scaffolding

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

Elevatable two-part scaffold for picking fruit

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

Elevator type bus boarder

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

Emergency rescue device

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

End effector with astronaut foot restraint

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

Environmentally safe work platform

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Firefighters' remote roof venting apparatus

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Erecting means actuated by lazy tong

Flanged cross tubes for use in scissors linkages

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

Foldable inclined multi-section ramp actuation system

Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base

Free-standing, multi-functional, mobile construction aid

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

High lift mounting means for loader buckets