4. Static structures (e.g., buildings)
  5. Wall, ceiling, floor, or roof designed for ventilation or...
  6. Including a plug for drain or vent

Doug Wroblewski

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Clamp collar design

Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or...
Reexamination Certificate

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Drain body support pan

Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or... – Including a plug for drain or vent
Reexamination Certificate

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Post yard hydrant with controlled adjustable flow

Fluid handling – Processes – Cleaning – repairing – or assembling
Reexamination Certificate

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Slotted drain

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

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Profile ID: LFUS-PAI-P-2198325

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