4. Ships
  5. Displacement-type hull
  6. Multiple hulls

John B. Echols

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Filters used in well fluid cleaning operations

Wells – Above ground apparatus – Well caps or casing heads
Patent

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Jig and fly box

Fishing – trapping – and vermin destroying – Fishing – Holder
Patent

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Knockdown catamaran

Ships – Displacement-type hull – Multiple hulls
Patent

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Method and apparatus for production of perfect well treatment fl

Wells – Processes – Separating material entering well
Patent

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Profile ID: LFUS-PAI-P-1114273

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