Combination surface and submersible watercraft

Details Combination surface and submersible watercraft Combination surface and submersible watercraft

2007-07-24

2007-07-24

Avila, Stephen (Department: 3617)

Ships

Submersible device

Reexamination Certificate

active

10722621

ABSTRACT:
A modular watercraft capable of both surface and submersible accommodation and transport of passengers. In one embodiment of the submersible watercraft of this invention, the hull comprises air bladders, thereby avoiding the engineering complexity, weight and cost of constructing a pressure hull.

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http://ussubs.com/submarines/manned.php3.
http://www.sub-find.com/mp26.htm.
http://www.subeo.com/history.htm.

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