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

David L. Neathery

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Manhole insert

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

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Manhole insert and tether and method

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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Manhole insert and tether apparatus and method

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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Method and apparatus for sealing manholes

Road structure – process – or apparatus – Process
Patent

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Profile ID: LFUS-PAI-P-78603

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