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 |
| D559716 | Pressure measurement cartridge for a low and vacuum pressure gas pressure gage | 01/15/2008 |
| D545707 | Pressure gage with radial connector | 07/03/2007 |
| D543476 | Pressure gage with axial connector | 05/29/2007 |
| 7080942 | Bimetal thermometer The bimetal thermometer according to the invention comprises a bimetal helix arranged inside a protective tube, one end thereof being attached to the protective tube and the other end thereof being connected to a pointer shaft to which a pointer arranged inside a ca... | 07/25/2006 |