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Portable pedal-operated paddlewheel boat

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Propeller drive and steering mechanism for small craft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Propeller driven surfboard

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Recreational water craft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Recreational watercraft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Screw propelled water saddle

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Self-propelled surfboard

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Reexamination Certificate

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Self-tensioning pedal drive mechanism for a human powered boat

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Steering apparatus for an inflatable raft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Swimmers paddle wheel

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Reexamination Certificate

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Swimming aid

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Swimming device

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Reexamination Certificate

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Swimming device

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Swimming wheel apparatus

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Unicycle for operation in water

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Universal platform for human powered floatation devices

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Vehicular sports device able to travel over firm surfaces, soft

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Vessel and driving means

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Water apparatus

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Water bicycle

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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