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 |
| 4438738 | Rocker arm and process for producing the same A rocker arm made from a carbon-fiber reinforced resin is disclosed wherein various axes are defined with particularity such as the central axis of the hole through which the rocker shaft is inserted (Z-axis), a line parallel to the edge of the valve side... | 03/27/1984 |
| 4199632 | Compressed wood implement handles and method of making For added strength and efficiency, the handles of impact or striking implements are weighted near their striking ends by the addition thereto of carefully pre-weighed supplemental veneers intervened with main veneers or by providing in a solid handle blan... | 04/22/1980 |
| 4130141 | Picker stick Picker stick formed of a carbon fiber reinforced plastic with a hollow center containing a vibration damping substance.... | 12/19/1978 |