4. Road structure, process, or apparatus
  5. Traffic steering device or barrier

Eric J. Wattenburg

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Downhole drilling subassembly and method for same

Boring or penetrating the earth – With tool shaft detail – Axially telescoping shaft section
Patent

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Downhole drilling subassembly and method for same

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Patent

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Movable barrier

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

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Profile ID: LFUS-PAI-P-429054

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