| Number | Date | Country | Kind |
|---|---|---|---|
| 3007497 | Oct 2002 | GB |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3606822 | Platz et al. | Sep 1971 | A |
| 4793486 | Konopka et al. | Dec 1988 | A |
| 4998785 | Ridout | Mar 1991 | A |
| 5485237 | Adermann et al. | Jan 1996 | A |
| 5839932 | Pierce et al. | Nov 1998 | A |
| D464725 | Petherbridge et al. | Oct 2002 | S |
| 20030192541 | Avery et al. | Oct 2003 | A1 |
| Number | Date | Country |
|---|---|---|
| 3900210 | Jul 1990 | DE |
| 4317931 | Dec 1994 | DE |
| 0326225 | Aug 1989 | EP |
| 0763337 | Mar 1997 | EP |
| 2590458 | May 1987 | FR |
| Entry |
|---|
| English Abstracts for DE 4317931A1, DE 3900210A1, and FR 2590458. |