Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 26, 2006
Patent Application Number
11318002
Date Filed
December 22, 2005
Patent Primary Examiner
Patent abstract
A closed loop buoyancy system wherein a device housing the system is submerged in a liquid filled container, the device dives to the bottom of the container, remains for a regulated amount of time, and then floats back to the surface of the liquid.
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