| Number | Name | Date | Kind |
|---|---|---|---|
| 4524381 | Konishi | Jun 1985 | A |
| 4574319 | Konishi | Mar 1986 | A |
| 4957348 | May | Sep 1990 | A |
| 5194892 | Robison | Mar 1993 | A |
| 5264822 | Vogelman et al. | Nov 1993 | A |
| 5296884 | Honda et al. | Mar 1994 | A |
| 5479228 | Tamamura et al. | Dec 1995 | A |
| 5488558 | Ohki | Jan 1996 | A |
| 5577179 | Blank | Nov 1996 | A |
| 5606365 | Maurinus et al. | Feb 1997 | A |
| 5806005 | Hull | Sep 1998 | A |
| 5842131 | Yamane | Nov 1998 | A |
| 5917542 | Moghadam | Jun 1999 | A |
| 6000864 | Hanada | Dec 1999 | A |
| 6011547 | Shiota | Jan 2000 | A |
| 6018774 | Mayle | Jan 2000 | A |
| 6035142 | Schrock | Mar 2000 | A |
| 6069712 | Dellert | May 2000 | A |
| 6133947 | Mikuni | Oct 2000 | A |
| 6141482 | Massarsky | Oct 2000 | A |
| Number | Date | Country |
|---|---|---|
| 0 640 938 | Mar 1995 | EP |
| Entry |
|---|
| U.S. application No. 08/707,265, Allen et al., filed Sep. 3, 1996. |