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

Harold M. Bowman

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Adjustable manhole cover support structure

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...
Patent

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Adjustable manhole cover support structure

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or...
Patent

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Adjustable manhole cover support with shield

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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Adjustable manhole cover support with spanners

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

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Anchor for manhole cover support

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

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Profile ID: LFUS-PAI-P-313441

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