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 |
| 6164093 | Knit necktie and method of producing the same A knit necktie which is entirely formed from a tubular knit fabric knitted continuously and has a triangular apron tipping portion which is formed from a triangular bag-shaped knit fabric formed by raising needles in a semicircle of a circular knitting ma... | 12/26/2000 |