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

Donald R. Vaughan

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Apparatus for laying porous irrigation pipe, cable, conduit, and

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent

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Apparatus for soil irrigation

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

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Dispenser for pressurized containers

Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent

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Tube bending tool

Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent

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Profile ID: LFUS-PAI-P-1001357

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