| Number | Name | Date | Kind |
|---|---|---|---|
| D42105 | Ducsay | Jan 1912 | S |
| D397256 | Moore et al. | Aug 1998 | S |
| D421213 | Addi | Feb 2000 | S |
| Entry |
|---|
| Photograph of prior art Hook, together with copy of mounting card dated ©1999. |
| Photograph of prior art Hook, together with copy of mounting card dated ©1999. |
| Photograph of prior art Hook, together with copy of mounting card dated ©1999. |