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| Number | Title | Issue Date |
| 6789334 | Punch-to-fix structure of steel-head shoes A punch-to-fix structure of steel-head shoes comprises a vamp, a steel head, and a sole, in which a covering portion and a wearing entrance are formed at a front and a rear end of the vamp, respectively. The bottom end of the vamp is an upper jointing mouth having a... | 09/14/2004 |
| 6589630 | Performance enhancing shoe components and methods The present invention provides performance enhancing shoe components and methods of using those shoe components to increase exercise performance. The shoe components comprise a layer of 1,4-polybutadiene and, optionally, a high energy returning rubber. A ... | 07/08/2003 |
| 6442870 | Shoe with replaceable vamp and insole A shoe with replaceable vamp and insole consists of an outsole, an insole, a vamp and a plurality of anchor blocks. The outsole and insole have respectively anchor bores and anchor struts to attain replacement function. The outsole has housing chambers fo... | 09/03/2002 |
| 6122845 | Plastic moulded monolithic beach sandal The present invention relates to a plastic moulded monolithic sandal using an upper that comprises a continuous base band, with no holes or incisions, directly fixed to the sole, as well as one or more transversal closing straps, each of them composed of ... | 09/26/2000 |
| 6120880 | Performance enhancing athletic shoe components and methods The present invention provides performance enhancing shoe components. The invented shoe component includes an upper layer of 1,4-polybutadiene and, optionally, a rubber such as natural rubber, synthetic isoprene rubber or polyisoprene. The first layer is ... | 09/19/2000 |
