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 |
| 7195449 | Fan The invention relates to a device for generating an air current, in particular for cooling or heating electric components or sub-assemblies. The aim of the invention is to develop a device of this type in order to incorporate an additional air-current monitor in a s... | 03/27/2007 |
| 6699301 | Ventilator The invention relates to a filter ventilator that can be installed within an aperture in a wall, in particular the wall of a switch cabinet, circuit box, device housing or the like. The filter ventilator includes at least one ventilator motor (16, 50) wit... | 03/02/2004 |