4. Heating
  5. Having condition responsive control

David Deng

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Apparatus for covering automobile windshields

Land vehicles: bodies and tops – Tops – Cover
Utility Patent

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Control valves for heaters and fireplace devices

Combustion – Timer – programmer – retarder or condition responsive control – Of igniter and feed controlled sequence
Reexamination Certificate

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Dual fuel heater

Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Reexamination Certificate

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Dual fuel heater

Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Reexamination Certificate

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Fume exhaust apparatus for cooking stoves

Stoves and furnaces – Stove hoods
Patent

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Profile ID: LFUS-PAI-P-179636

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