| Number | Name | Date | Kind |
|---|---|---|---|
| 1505592 | Epperson | Aug 1924 | A |
| 1987945 | Schnaler | Jan 1935 | A |
| 2541814 | Gaddini | Feb 1951 | A |
| 2591261 | Holahan | Apr 1952 | A |
| 2946207 | Hulterstrum | Jul 1960 | A |
| 3780536 | Fishman et al. | Dec 1973 | A |
| 4239175 | Straubinger | Dec 1980 | A |
| 4352830 | Billett et al. | Oct 1982 | A |
| 4688398 | Baek | Aug 1987 | A |
| 4696166 | Bukoschek et al. | Sep 1987 | A |
| 5354191 | Bobis | Oct 1994 | A |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 12321237 | Jan 2009 | US |
| Child | 29361072 | US |