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

Thomas L. Cowan

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Coal burning process

Furnaces – Process – Burning pulverized fuel
Patent

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Igniter circuit with an air gap

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Reexamination Certificate

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Igniter circuit with an air gap

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Reexamination Certificate

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Ignitor circuit enhancement

Electricity: electrical systems and devices – Safety and protection of systems and devices
Patent

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Profile ID: LFUS-PAI-P-618645

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