4. Ships
  5. Watercraft with means used in providing sailpower
  6. Having specifically defined hull shape

Henry North

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Apparatus for producing a force

Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent

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Cavitators

Agitating – By vibration – Of stirrer
Patent

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Milling apparatus

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent

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Propulsion device for a ship

Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent

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Profile ID: LFUS-PAI-P-915584

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