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

William C. Wolffe

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Coin mechanism with a piezoelectric film sensor

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

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Fuel system

Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1811016

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