Portable pedal-operated paddlewheel boat
Propeller drive and steering mechanism for small craft
Propeller driven surfboard
Recreational water craft
Recreational watercraft
Screw propelled water saddle
Self-propelled surfboard
Self-tensioning pedal drive mechanism for a human powered boat
Steering apparatus for an inflatable raft
Swimmers paddle wheel
Swimming aid
Swimming device
Swimming device
Swimming wheel apparatus
Unicycle for operation in water
Universal platform for human powered floatation devices
Vehicular sports device able to travel over firm surfaces, soft
Vessel and driving means
Water apparatus
Water bicycle