4. Electric heating
  5. Metal heating
  6. Of cylinders

John R. Weimer

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Method and apparatus for centrally controlling environmental...

Automatic temperature and humidity regulation – Hot-air furnace – Air and fire control
Reexamination Certificate

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Method and apparatus for centrally controlling environmental...

Automatic temperature and humidity regulation – Distance-adjusted
Reexamination Certificate

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Microwave food product and method of manufacture

Electric heating – Metal heating – Of cylinders
Patent

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Thermostatically controlled power draft motor cooling system

Ventilation – Chimney or stack – Chimneytop or stacktop structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1650239

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