4. Hydraulic and earth engineering
  5. Drainage or irrigation
  6. Porous or apertured pipe, flume, or tileway

Daniel J. Swistak

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Anti-rotation stop for chamber

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Reexamination Certificate

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Anti-rotation stop for chamber

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Reexamination Certificate

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Leaching chamber endplate

Hydraulic and earth engineering – Drainage or irrigation – End cap
Reexamination Certificate

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Method for circulating pressurized fluids to improve gas...

Plastic and nonmetallic article shaping or treating: processes – Recycling of reclaimed or purified process material – Of gaseous process material
Reexamination Certificate

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Mold components having a conformal thermal management system...

Metal founding – Process – Shaping a forming surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2357909

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