4. Fences
  5. Highway guard

Don L. Ivey

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AD-IV breakaway system for timber utility poles

Joints and connections – Including frangible component
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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Advanced dynamic impact extension module

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

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Barrel crash cushions

Fences – Highway guard
Patent

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Collision performance side impact (automobile penetration guard)

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

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Profile ID: LFUS-PAI-P-349498

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