| Number | Name | Date | Kind |
|---|---|---|---|
| D191651 | Carroll | Oct 1961 | |
| D292327 | Kalichman | Oct 1987 | |
| D348121 | Park | Jun 1994 | |
| D403110 | Patel | Dec 1998 | |
| D403111 | Patel | Dec 1998 | |
| 1781812 | Goodman et al. | Nov 1930 | |
| 2730111 | Soloman | Jan 1956 | |
| 2996069 | Curry | Aug 1961 | |
| 3030970 | Gold | Apr 1962 | |
| 5758672 | Chou | Jun 1998 |
| Number | Date | Country |
|---|---|---|
| 814008 | May 1959 | GBX |
| Entry |
|---|
| Hong Kong Enterprise Oct. 1997, 1) p. 104: item Nos. 7061, 7028, 7036, 7039, 7082, 7083 and 7087. 2) p. 1462: item Nos. 702 and 705. |