4. Marine propulsion
  5. Operator powered drive for propelling means
  6. Rotary cranking arm

Andrew Chun

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Amphibious pedal powered sailboat

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

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Exercycle mower apparatus

Harvesters – Convertible
Patent

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Jet propulsion boat

Marine propulsion – Jet drive
Reexamination Certificate

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Pedal powered sailboat

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

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Roof and rain gutter cleaning tools

Conveyors – chutes – skids – guides – and ways – Chutes – Flexible wall
Reexamination Certificate

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Profile ID: LFUS-PAI-P-739854

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