4. Check-actuated control mechanisms
  5. Including means to test validity of check
  6. By testing material composition

Robert Sydney Walker

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Coin handling apparatus and methods of determining information r

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

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Coin validator calibration

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

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Profile ID: LFUS-PAI-P-851847

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