| Number | Name | Date | Kind |
|---|---|---|---|
| 2539061 | Coles | Jan 1951 | A |
| 5076497 | Rabitsch | Dec 1991 | A |
| D325428 | Vitsur | Apr 1992 | S |
| 5620142 | Elkas | Apr 1997 | A |
| Entry |
|---|
| Catalog—W.L. Hamilton & Co., Marshall, Michigan, 1986, pp. 17, 18 and 23. |
| Catalog—Kuker Industries, Inc., Omaha, Nebraska, 1994, pp. 54 and 57. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29/139469 | Mar 2001 | US |
| Child | 29/161782 | US |