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 |
| 5563743 | Base body of a reflecting mirror and method for the preparation thereof The invention provides a light-weight base body of a reflecting mirror such as a mirror in a reflecting astronomical telescope, which is very stable not only thermally but also mechanically and is highly resistant against adverse environmental influences.... | 10/08/1996 |
| 5461511 | Base body of a reflecting mirror and method for the preparation thereof The invention provides a light-weight base body of a reflecting mirror such as a mirror in a reflecting astronomical telescope which is very stable not only thermally but also mechanically and is highly resistant against adverse environmental influences. ... | 10/24/1995 |
| 5316564 | Method for preparing the base body of a reflecting mirror The invention provides a method of preparing a light-weight base body of a reflecting mirror such as a mirror in a reflecting astronomical telescope, which is very stable not only thermally but also mechanically and is highly resistant against adverse env... | 05/31/1994 |