4. Electric heating
  5. Metal heating
  6. By arc

Robert H. Schmidt

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Almond tree (Pearl)

Plants – Rose – Climber
Patent

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Automatic control of laser beam tool positioning

Electric heating – Metal heating – By arc
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Automatic damper means and controls therefor

Stoves and furnaces – Stovepipes
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Automatic damper means and controls therefor

Stoves and furnaces – Stovepipes
Patent

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Brushless DC tachometer circuit

Electricity: single generator systems – Generator control – With armature or primary circuit control
Patent

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Profile ID: LFUS-PAI-P-467988

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