M-shaped boat hull
M-shaped boat hull
Machine for cleaning the bottom of boats
Machine for gripping, securing and handling underwater vehicles
Machine to get rid of hurricanes
Machines for making laminate suitable for stress bearing materia
Magnetic boat docking system
Magnetic docking apparatus and method for using the same
Magnetic ship hull patch
Magnetic system for moving ships through canals and canal lock s
Mainsail and/or mizzensail furling device
Mainsail and/or mizzensail furling device
Mainsail construction facilitating airflow thereover
Mainsail furling device for a sailboat
Mainsail furling mast assembly and mast construction therefor
Mainsail reefing and furling device and method
Mainsail reefing system
Mainstay rig
Man and wind powered aquatic vehicle
Man-made island resort complex with surface and underwater...