Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| RE40035 | Modular ceramic oxygen generator A ceramic oxygen generator is described which is capable of modular construction to permit the oxygen generation capacity to be expanded. An ionically conducted ceramic electrolyte is formed into a series of rows and columns of tubes on a tube support member and lik... | 01/29/2008 |
| 7288462 | Buffer zone for the prevention of metal migration Particle migration, such as silver electro-migration, on a flat ceramic surface is effectively eliminated by an upward vertical barrier formed on the surface or a groove formed in the surface between two silver conductors. ... | 10/30/2007 |
| 6997970 | Oxygen/inert gas generator A gas generation method and apparatus, capable of use in an aircraft, generates oxygen with at least one On Board Oxygen Generating System (OBOGS) and generates an inert gas with at least one On Board Inert Gas Generating System (OBIGGS) and selectively supplies an ... | 02/14/2006 |