Amphibian bicycle
Amphibious bicycle
Amphibious pedal powered sailboat
Aquatic recreational vehicles
Aquatic vehicle with articulated steering
Belt driven pedal boat
Bicycle-type marine vessel
Boat having a pedal drive
Boat having a pedal drive
Bow-mounted propeller driven boat
Canoe paddle assembly
Cerf cycle
Collapsible paddle boat
Collapsible pontoon pedal boat
Collapsible water bike
Device for converting a cycle into a treadle-operated water cycl
Drive mechanism assembly for aquatic vehicle
Electric motor assisted propulsion system for human-powered...
Exercising device for water use
Floating apparatus with manual driver