4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Ground fault protection

David Chan

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Apparatus for coring into and cutting food items

Cutlery – Segmenters
Reexamination Certificate

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Circuit interrupting device and system utilizing bridge...

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Reexamination Certificate

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Circuit interrupting device and system utilizing...

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Reexamination Certificate

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Combined humidifier and air freshener unit

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Communications between modules of a computing apparatus

Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Reexamination Certificate

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Profile ID: LFUS-PAI-P-70489

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