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Elevator shaft door

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Reexamination Certificate

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Elevator system and method for preventing unauthorized...

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Operation variable for emergency – maintenance – or abnormal...
Reexamination Certificate

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Elevator system having location devices and sensors

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Reexamination Certificate

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Elevator system with hall scanner for distinguishing between...

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Reexamination Certificate

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Elevator system with safety device on elevator doors

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Reexamination Certificate

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Elevator system with safety installation

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Reexamination Certificate

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Elevator-door latching and opening device

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including slideably mounted barrier on load support
Reexamination Certificate

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Emergency elevator system

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Operation variable for emergency – maintenance – or abnormal...
Reexamination Certificate

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Emergency evacuation system for an elevator

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support
Reexamination Certificate

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Emergency unlocking device at shaft doors of elevators

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Operation variable for emergency – maintenance – or abnormal...
Reexamination Certificate

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Entraining and unlatching apparatus for elevator doors

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Patent

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Entraining apparatus for elevator doors

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Patent

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Entrance/exit device for elevator

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Reexamination Certificate

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Equipment at an elevator car for temporarily coupling a car...

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Includes motor or motor driven linkage for shifting barrier
Reexamination Certificate

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Evacuation system and method for elevator control using...

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support
Reexamination Certificate

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