| Number | Name | Date | Kind |
|---|---|---|---|
| 3739446 | Long, Jr. et al. | Jun 1973 | A |
| 4003125 | Wallick | Jan 1977 | A |
| 4214120 | Jones, Jr. et al. | Jul 1980 | A |
| 4429559 | dePuglia et al. | Feb 1984 | A |
| 4503609 | Mackay | Mar 1985 | A |
| 4578736 | Brown | Mar 1986 | A |
| 4602429 | Nicoll | Jul 1986 | A |
| 4672742 | Juan | Jun 1987 | A |
| 4740133 | Kawano | Apr 1988 | A |
| 4794689 | Seno et al. | Jan 1989 | A |
| 4796357 | Smith | Jan 1989 | A |
| 4980971 | Bartschat et al. | Jan 1991 | A |
| 5038466 | Marozsan et al. | Aug 1991 | A |
| 5579574 | Colleran et al. | Dec 1996 | A |
| 5730608 | Legrady | Mar 1998 | A |
| 6113248 | Mistopoulos et al. | Sep 2000 | A |
| 6196439 | Mays et al. | Mar 2001 | B1 |
| Entry |
|---|
| Metals Handbook, 2nd ed., 1998, pp. 1123-1124. |