A diving ballast
A method of raising objects from the sea b
A novel life-saving device
A submersible vessel
A system for launching a lifeboat
A valve arrangement and a breathing regulator which includes...
Acceleration belt and stockings for aviators
Adjustable personal flotation device
Air bag apparatus
Air bags for semiclosed-circuit underwater breathing apparatus
Amphibious boats, canoes and kayaks
Amphibious vehicle
Amphibious vehicle
An apparatus for extraction of a fluent material from a...
An installation and a method for recovering a surface marine...
An integrated full body harness personal flotation device
Anchor retrieving apparatus and method
Anchoring device for buoyant life saving equipment
Anchoring device for buoyant life saving equipment
Antisubmarine attack method and apparatus