Number | Name | Date | Kind |
---|---|---|---|
2424958 | Clemens | Aug 1947 | A |
4051223 | MacKay | Sep 1977 | A |
4058585 | MacKay et al. | Nov 1977 | A |
4128493 | MacKay et al. | Dec 1978 | A |
4446026 | Beutier et al. | May 1984 | A |
4830766 | Gallup et al. | May 1989 | A |
5246593 | Gallup | Sep 1993 | A |
5358700 | Brown et al. | Oct 1994 | A |
5932086 | Kasaaian | Aug 1999 | A |
5976383 | Guess et al. | Nov 1999 | A |
6156186 | Mueller et al. | Dec 2000 | A |
6517701 | Geisler | Feb 2003 | B1 |
Number | Date | Country |
---|---|---|
0268319 | May 1992 | EP |
WO 9914403 | Mar 1999 | WO |
Entry |
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