| Number | Date | Country | Kind |
|---|---|---|---|
| P.A.2001-176192 | Jun 2001 | JP |
| Number | Name | Date | Kind |
|---|---|---|---|
| 1605623 | Smith | Nov 1926 | A |
| 2682058 | Wolfe | Jun 1954 | A |
| 5906012 | Sakane et al. | May 1999 | A |
| Number | Date | Country |
|---|---|---|
| 1117268 | Jun 2001 | JP |
| Entry |
|---|
| U.S. Ser. No. 29/124,731, Minami, filed Jun. 9, 2000. |