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 |
| 6868399 | Systems and methods for integrating a network gateway device with management systems Systems and methods enabling a management system to communicate with a network gateway device to automatically manage a user accessing a computer network, such as a local network. The system includes a computer, and a network gateway device in communication with the... | 03/15/2005 |