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 |
| 4049842 | Process for interior coating small mouth container open at one end A small-mouthed container having a continuous resinous coating covering the interior of said container and end, said interior coating having a thickness less than about one mil and being free of low molecular weight organic matter, is disclosed herein. Ty... | 09/20/1977 |
| 4048348 | Method of applying a fused silica coating to a substrate Discloses a method of applying an amorphous fused silica coating to a substance of refractory non-metallic material. High temperature arc plasma from an arc plasma spray gun is projected onto the substrate surface; and particles of a material consisting e... | 09/13/1977 |
| 3966504 | Method and apparatus for thermochemical gas scarfing The present invention relates to a method and an apparatus for initiating and maintaining a thermochemical process of scarfing the surface of a workpiece to remove surface defects like, e.g., cracks, in which there is used a unit of torches, continuously ... | 06/29/1976 |
| 3935504 | Method and apparatus for injection of a plasma A plasma injection method, in which a magnetic field is produced which has a configuration in the form of a convergent nozzle so that there is a high magnetic field gradient between the inlet and the neck of said nozzle, the lines of the magnetic field be... | 01/27/1976 |