| Number | Name | Date | Kind |
|---|---|---|---|
| 579769 | Pich | Mar 1897 | A |
| 2410371 | Vokes | Oct 1946 | A |
| 2593293 | Giauque | Apr 1952 | A |
| 2759610 | James | Aug 1956 | A |
| 3216578 | Muschamp et al. | Nov 1965 | A |
| 4004899 | Giacovas | Jan 1977 | A |
| 4126557 | Hodgkins | Nov 1978 | A |
| 5397632 | Murphy et al. | Mar 1995 | A |
| 6036752 | Reuter | Mar 2000 | A |
| 6905609 | Nassef | Jun 2005 | B2 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 10445263 | May 2003 | US |
| Child | 29265352 | US |