4. Road structure, process, or apparatus
  5. Drain or gutter
  6. Street or curb inlet for surface drainage

Roland Thomann

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Drainage channel

Road structure – process – or apparatus – Drain or gutter – Street or curb inlet for surface drainage
Patent

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Drainage channel

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent

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Drainage channel having improved coping for receiving grate

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent

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Drainage channel with locking grate

Road structure – process – or apparatus – Drain or gutter
Patent

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Drainage channel with locking grate

Road structure – process – or apparatus – Drain or gutter
Patent

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Profile ID: LFUS-PAI-P-179123

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