4. Hydraulic and earth engineering
  5. Drainage or irrigation
  6. Having regulation of flow through channel

Rufus M. Holloway, Jr.

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Hydraulic valve and a liquid flow system

Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Reexamination Certificate

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Method and system for flood irrigation

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel
Patent

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Profile ID: LFUS-PAI-P-1336501

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