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 |
| 5637775 | Process for the preparation of halogenated ethers The invention relates to a process for the preparation of compounds of formula I ##STR1## wherein R is mono- or disubstituted lower alkyl, the substituents being selected from halogen and lower alkoxy, with the proviso that said substituents are... | 06/10/1997 |