4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. With air blast or suction

Ian James Duncan

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Hull for high speed water craft

Ships – Displacement-type hull – Having specific dimensional or speed ratio
Reexamination Certificate

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Hulls for planing and semi-planing craft

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Reexamination Certificate

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Propulsion system

Marine propulsion – Screw propeller – Having means to control flow around propeller
Reexamination Certificate

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Suction cleaning apparatus

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Thruster

Ships – Steering mechanism – Fluid pressure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-711391

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