4. Road structure, process, or apparatus
  5. Traffic director
  6. Vibration inducing member

John F. Letchford

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Actuating means for a servo valve

Road structure – process – or apparatus – Apparatus – Automatic control
Patent

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Adjustable bearing section core barrel

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...
Patent

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Advanced dynamic impact extension module

Road structure – process – or apparatus – Traffic steering device or barrier
Patent

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Air driven vibration cement float

Road structure – process – or apparatus – Apparatus – Means to agitate material
Patent

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Anchor socket

Bridges – Suspension – Cables and cable clamps
Patent

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Profile ID: LFUS-PAI-P-17282

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