4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Electrical property

David W. McCord

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Adjustable level

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent

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Adjustable level

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent

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Electrical leakage analyzer

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent

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Flexible gate

Movable or removable closures – Distortable; e.g. – flexible strand-type barricade
Reexamination Certificate

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Railroad switch machine

Railway switches and signals – Fluid-motor actuation – Electric control
Patent

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Profile ID: LFUS-PAI-P-942738

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