Number | Name | Date | Kind |
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1520376 | Verneuil | Dec 1924 | A |
3685582 | Richardson | Aug 1972 | A |
3871411 | Sato et al. | Mar 1975 | A |
3880233 | Muecke et al. | Apr 1975 | A |
4064938 | Fast | Dec 1977 | A |
4730765 | Tomlinson et al. | Mar 1988 | A |
4811790 | Jennings, Jr. et al. | Mar 1989 | A |
5150753 | Gaidry et al. | Sep 1992 | A |
5339895 | Arterbury et al. | Aug 1994 | A |
5829520 | Johnson | Nov 1998 | A |
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6006829 | Whitlock et al. | Dec 1999 | A |
Number | Date | Country |
---|---|---|
0 819 831 | Jan 1998 | EP |
Entry |
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PCT International Search Report from international Application No. PCT/GB01/04875, Dated Apr. 29, 2002. |