This application is division of application Ser. No. 09/409,207, filed Sep. 30, 1999 U.S. Pat. No. 6,306,989.
Number | Name | Date | Kind |
---|---|---|---|
3658626 | Berger et al. | Apr 1972 | A |
3847657 | Rieber et al. | Nov 1974 | A |
3912449 | Mares et al. | Oct 1975 | A |
3962171 | Robbins | Jun 1976 | A |
3993827 | Dukert | Nov 1976 | A |
4737571 | Hodge et al. | Apr 1988 | A |
5073440 | Lee | Dec 1991 | A |
5114652 | Lee | May 1992 | A |
5116650 | Bowser | May 1992 | A |
5156780 | Kenigsberg et al. | Oct 1992 | A |
5217802 | Scarmoutzos | Jun 1993 | A |
5296543 | Kasowski et al. | Mar 1994 | A |
5418006 | Roth et al. | May 1995 | A |
5462586 | Sugiyama et al. | Oct 1995 | A |
5698303 | Caldwell | Dec 1997 | A |
5721283 | Howard, Jr. et al. | Feb 1998 | A |
5773098 | Thomas | Jun 1998 | A |
5789523 | George et al. | Aug 1998 | A |
5840775 | Howard, Jr. et al. | Nov 1998 | A |
6071602 | Caldwell | Jun 2000 | A |
6289841 | Caldwell | Sep 2001 | B1 |
6558743 | Crompton | May 2003 | B1 |
Number | Date | Country |
---|---|---|
2108363 | Sep 1972 | DE |
0 890 579 | Jan 1999 | EP |
2110385 | Jul 1972 | FR |
2148432 | Mar 1973 | FR |
2156786 | Jun 1973 | FR |
2 614 047 | Oct 1988 | FR |
1551763 | Mar 1990 | SU |
WO 9311293 | Jun 1993 | WO |
Entry |
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