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

Richard Hutchison

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Method and apparatus for welding

Electric heating – Metal heating – By arc
Patent

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Method and apparatus for welding

Electric heating – Metal heating – By arc
Reexamination Certificate

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Method and apparatus for welding

Electric heating – Metal heating – By arc
Reexamination Certificate

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Method and apparatus for welding with output stabilizer

Electric heating – Metal heating – By arc
Reexamination Certificate

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Welding arc voltage sense lead

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-774602

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