4. Measuring and testing
  5. Fluid pressure gauge
  6. Electrical

Luther A. Marsh

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Accordian folding surfacing module

Road structure – process – or apparatus – Pavement – Modules or blocks
Patent

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Acoustical testing of hydraulic actuators

Measuring and testing – Blower – pump – and hydraulic equipment
Patent

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Air cooled helmet

Apparel – Guard or protector – For wearer's head
Patent

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Air lubricated penetrometer rod system

Measuring and testing – Hardness – By penetrator or indentor
Patent

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Air velocity averaging rotor

Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
Patent

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Profile ID: LFUS-PAI-P-37073

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