4. Road structure, process, or apparatus
  5. Pavement
  6. Vault cover-closure

G. Spahn

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Manhole assembly with T-shaped hinge

Road structure – process – or apparatus – Pavement – Vault cover-closure
Patent

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Manually operated paint striper

Road structure – process – or apparatus – Apparatus – With surface marking
Patent

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Prestressed stay cable for use in cable-stayed bridges

Bridges – Suspension – Towers and anchors
Patent

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Profile ID: LFUS-PAI-P-752945

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