The broken line showing of the unshaded central portion in
The broken line showing of the unshaded central portion in
| Number | Name | Date | Kind |
|---|---|---|---|
| 847537 | Abbott | Mar 1907 | A |
| 2058735 | Stallard | Oct 1936 | A |
| 5172940 | Usui et al. | Dec 1992 | A |
| 5738140 | Mann | Apr 1998 | A |
| D497414 | Matsumoto | Oct 2004 | S |
| 20080042439 | Athalye et al. | Feb 2008 | A1 |
| Number | Date | Country |
|---|---|---|
| 1032168 | Dec 1998 | JP |