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 |
| 7658997 | Multiply structured particle and method for producing the same In the present invention, when hollow polyhedral fine particles consisting of atoms of a first element and atoms of a second element are produced, atoms of the first element and atoms of the second element are structured in a reversed micelle composed of a surfactan... | 02/09/2010 |