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

James Churchman

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Coin validators

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

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Coin-validation arrangement

Check-actuated control mechanisms – Including means to test validity of check
Reexamination Certificate

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Inductive coin validation system and payphone using such system

Telephonic communications – With check operated control – Coin signalling or control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1540872

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