4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Robert A. Graham

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Lithium niobate explosion monitor

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

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Method of dynamically controlling bottom hole circulation...

Boring or penetrating the earth – Automatic control – In response to drilling fluid circulation
Reexamination Certificate

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Shock-activated electrochemical power supplies

Chemistry: electrical current producing apparatus – product – and – Process of cell operation – Activation of inactive cell
Patent

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Profile ID: LFUS-PAI-P-288242

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