| Number | Name | Date | Kind |
|---|---|---|---|
| 5076497 | Rabitsch | Dec 1991 | A |
| D325428 | Vitsur | Apr 1992 | S |
| 5240184 | Lawson | Aug 1993 | A |
| 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. |