4. Electrical transmission or interconnection systems
  5. Switching systems

Steven Troyen

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Elevator call button/annunciator assembly and circuit

Electrical transmission or interconnection systems – Switching systems
Patent

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Elevator position indicator display system and method of...

Elevator – industrial lift truck – or stationary lift for vehicle – With visual indicator of movement of load support – Indicates existing location
Reexamination Certificate

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Wire termination box assembly and associated method of...

Electricity: conductors and insulators – Boxes and housings – With electrical device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1943059

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