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

Chester Ryan

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Roadway access device and method of using same

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

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Telescopic manhole and storm drain installation

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole
Patent

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Profile ID: LFUS-PAI-P-312567

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