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 |
| D538625 | Trowel handle | 03/20/2007 |
| D519353 | Hand tool handle | 04/25/2006 |
| 7014233 | Portable suction device A suction device includes a handle (10) and an operation lever (30) which has a cam end (32) pivotably connected to the handle. A suction disk (20) has a shaft (21) which movably extends through the underside of the handle and is p... | 03/21/2006 |