PERSONAL UNDERWATER PROPELLANT ACTIVATE APPARATUS HAVING ONE-HAND OPERATING WAY
PRESSURE EQUALIZATION STRUCTURE AND MOTOR IMPROVEMENT FOR FLUID-IMMERSED SELF-ROTATING DISPLAYS
VEHICLE WITH TRAVELING WAVE THRUST MODULE APPARATUSES, METHODS AND SYSTEMS
Vehicle with traveling wave thrust module apparatuses, methods and systems
MULTIPURPOSE LOW EMISSION SUBMERSIBLE ENGINE AND AQUATIC CRAFT USING SAME
Multipurpose low emission submersible engine and aquatic craft using same
Multipurpose low emission submersible engine and aquatic craft using same
System for attaching a thermal battery to a power section of an underwater craft