4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

William D. Key

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Automatic meter proving and calibration system

Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent

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Batch controller for gasoline having dribble feed

Dispensing – Cutoff operated by selectively preset volume or rate of... – Cutoff by single trapped volume
Patent

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Fuel dispenser leak detector

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Profile ID: LFUS-PAI-P-1326995

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