Number | Name | Date | Kind |
---|---|---|---|
2255695 | Bull | Sep 1941 | A |
5109925 | Stepp et al. | May 1992 | A |
5143015 | Lubitz et al. | Sep 1992 | A |
5160172 | Gariepy | Nov 1992 | A |
5692564 | Brooks | Dec 1997 | A |
6106024 | Herman et al. | Aug 2000 | A |
6302200 | Patton et al. | Oct 2001 | B1 |
Entry |
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International Search Report mailed Apr. 4, 2003 for corresponding application PCT/GB02/05354. |