| Number | Name | Date | Kind |
|---|---|---|---|
| 5195218 | Joseph et al. | Mar 1993 | |
| 5330251 | McGuire | Jul 1994 | |
| 5918934 | Siegrist | Jul 1999 | |
| 6030046 | Dorow | Feb 2000 |
| Number | Date | Country |
|---|---|---|
| 0 071 388 | Feb 1983 | EP |
| 2471760 A1 | Jun 1981 | FR |
| 2472923 | Jul 1981 | FR |
| Entry |
|---|
| Search Report Under Section 17, May 2, 2001. |