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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 |
| 6408920 | Press-bonding jig for pressing vertical plate materials on horizontal plate materials and method of using same to bond vertical plate materials on horizontal plate materials A method capable of bonding lengthy horizontal plate materials and lengthy vertical plate materials to each other without skill of a worker and with uniform and beautiful finish, and a press-bonding jig used for the method. The press-bonding jig is set at... | 06/25/2002 |
| 6387304 | Method of manufacturing artificial marble having stripe pattern A method for producing artificial marble having a stripe pattern comprising injecting liquid resins having different colors into a molding cell so that they are laminated to form two or more layers; then moving a comb-like tool through the laminated liqui... | 05/14/2002 |
| 6306321 | Method for producing artificial marble having stripe patterns A method in which a liquid resin in which a coloring agent is dispersed non-uniformly is injected into a molding cell, one or more liquid resins having different colors are laminated to form one or more layers on the liquid resin in which a coloring agent... | 10/23/2001 |
| 5837175 | Process for producing artificial marble having striped pattern A process for producing artificial marble by curing liquid resins in a molding cell, which comprises a step in which liquid resins each having different color are laminated by injection in the molding cell so that at least two layers are formed, then a co... | 11/17/1998 |
