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 |
| 6206785 | Constant velocity universal joint and method A non-stroking constant velocity universal joint including an inner joint member, an outer joint member, and a plurality of torque transferring bearing spheres in facing pairs of ball grooves in the inner and outer joint members. The bearing spheres are m... | 03/27/2001 |
| 4449956 | Constant-velocity universal joint In a constant-velocity universal joint, the rotary motion to be transmitted from the driving shaft to the driven shaft through the medium of rotary members disposed between the opposed lateral contact surfaces of the adjacent yokes of the driving shaft an... | 05/22/1984 |
| 4377385 | Homokinetic universal joint A universal joint has two shafts, axially restrained, but pivotable from a common point. One shaft end is in the form of a thick-walled hollow sphere. Two axially extending grooves are cut into the wall facing each other in a circumferentially opposed rel... | 03/22/1983 |