Armored foldaway inflatable floating device
Auxiliary apparatus for flotation, propulsion and steering...
Auxiliary flotation, propulsion and steering gear for multipurpo
Auxiliary power generation means for outboard motors
Belt drive propulsion system
Belt drive propulsion system
Bicycle floatation and transportation device and method
Bicycle watercraft assembly
Bike board
Canard balanced marine bicycle
Combination bicycle and boat
Drive structure and assembly for a pontoon vessel
Float attachment for a bicycle
Floatation apparatus for use with a standard bicycle
Floatation apparatus for use with any standard bicycle
Floatation device system
Floatation device with propeller and rudder driven by a bicycle
Floating track device
Fuel compositions
High water-speed tracked amphibian