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2023
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Invention
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Bottom door monitoring system and methods of use thereof. Systems and methods for monitoring the ... |
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|
Invention
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Bottom door monitoring system and methods of use thereof.
Systems and methods for monitoring the... |
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|
Invention
|
Sliding door drive system. A sliding door drive system may include a drive axle and at least one ... |
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Invention
|
Elevator level warning system and methods of use thereof.
An elevator level warning system is pr... |
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Invention
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Elevator level warning system and methods of use thereof.
An elevator level warning sy... |
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2021
|
Invention
|
Elevator pit safety system and methods of use thereof.
An elevator pit safety system is provided... |
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P/S
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Elevator electronic components, namely, controllers, microprocessors, circuit boards, door contro... |
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2020
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Invention
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Emergency power for a facility. A power supply circuit for powering components of a facility are ... |
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2015
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P/S
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LED (light emitting diode) lighting fixtures; Lighting fixtures |
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2005
|
Invention
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Elevator lights.
An elevator cab includes primary and auxiliary light sources. A light sensor re... |
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1994
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P/S
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elevator electronic components, namely controllers, microprocessors, circuit boards, door control... |
