4. Elevator, industrial lift truck, or stationary lift for vehicle
  5. With barrier for regulating access to load support
  6. Includes motor or motor driven linkage for shifting barrier

Thomas M. Kowalczyk

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Automatic door assembly and door operator therefor

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Reexamination Certificate

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Automatic door assembly and door operator therefor

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Reexamination Certificate

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Automatic door assembly and door operator therefor

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
Reexamination Certificate

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Axial door operator

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Reexamination Certificate

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Cammed wedge elevator car door coupling

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

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Profile ID: LFUS-PAI-P-40111

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