Smith Moses hydro lift flaps
Solar powered kayak outrigger
Spidercraft
Stabilization/power system for windsurfing and other...
Stabilizing system for a boat
Stable, high-speed marine vessel
Steering control system for hydrofoils
Steering device for a towed personal watercraft
Steering handle device for jet-propelled small-sized boats
Steering pole for jet propulsion boat
Stepped boat hull with flat pad portions
Stepped flotation apparatus
Stepped hydroplane hull
Stern depressor type motion stabilization system for marine...
Stern flap corrective motion and fuel saving control system...
Structure for holding underwater projections
Strut release mechanism for hydrofoil craft
Strut steering and retracting apparatus
Super high speed multi-hull watercraft
Support strut for hydrofoil craft