4. Stoves and furnaces
  5. Hot-air furnaces
  6. Compressed air

Donald G. Porter

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Fan accessory for heater

Stoves and furnaces – Hot-air furnaces – Compressed air
Patent

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Fan accessory for heater

Stoves and furnaces – Hot-air furnaces – Compressed air
Patent

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Housing for fan accessory for heater

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Profile ID: LFUS-PAI-P-1106674

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