4. Coating processes
  5. Electrical product produced
  6. Condenser or capacitor

David H. Spielberg

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Method of forming a conducting material for a conducting device

Coating processes – Electrical product produced – Condenser or capacitor
Patent

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Precision type resistor

Electrical resistors – Incased – embedded – or housed
Patent

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Solar heat absorbing tubing

Stoves and furnaces – Ovens – Domestic
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Profile ID: LFUS-PAI-P-221721

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