4. Equipment for production, distribution, or transformation of ene
  5. Energy conversion or transformation

David Partridge

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Coin checking

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition
Patent

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Coin checking method and apparatus employing wave train comparis

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition
Patent

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Gaming machines

Amusement devices: games – Chance devices – Rotating disk
Patent

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Miniature lampholder

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation
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Profile ID: LFUS-PAI-P-616708

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