| Number | Name | Date | Kind |
|---|---|---|---|
| 3007834 | Moeller et al. | Nov 1961 | A |
| 3018205 | Barut | Jan 1962 | A |
| 3134705 | Moeller | May 1964 | A |
| 3232865 | Quinn et al. | Feb 1966 | A |
| D255153 | Meurer | May 1980 | S |
| 4385012 | Priestley | May 1983 | A |
| 4512938 | Jones et al. | Apr 1985 | A |
| 4800047 | Monjoie | Jan 1989 | A |
| 5039567 | Landi et al. | Aug 1991 | A |
| 5124086 | Schultz | Jun 1992 | A |
| 5147583 | Bugler et al. | Sep 1992 | A |
| 5804073 | Ter Horst | Sep 1998 | A |
| 6308702 | Huyghe et al. | Oct 2001 | B1 |
| 6385987 | Schlom et al. | May 2002 | B2 |
| 6685833 | Lippold | Feb 2004 | B2 |
| 6715740 | Engh et al. | Apr 2004 | B2 |
| D514210 | Ko | Jan 2006 | S |
| D523110 | Anderson | Jun 2006 | S |
| 20040060769 | Hentschel et al. | Apr 2004 | A1 |
| 20060001182 | Kinney et al. | Jan 2006 | A1 |