4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Virgil E. Bottom

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Method of adjusting the frequency of a crystal resonator and red

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Method of improving ohmic contact through high-resistance oxide

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-1531410

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