Number | Name | Date | Kind |
---|---|---|---|
3895570 | Eagleson, Jr. | Jul 1975 | |
4637301 | Shields | Jan 1987 | |
4682927 | Southworth et al. | Jul 1987 | |
4880581 | Dastoli et al. | Nov 1989 | |
4936922 | Cherry | Jun 1990 | |
4976815 | Hiratsuka et al. | Dec 1990 | |
5029518 | Austin | Jul 1991 | |
5255710 | Palmer | Oct 1993 | |
5259812 | Kleinsek | Nov 1993 |
Number | Date | Country |
---|---|---|
2485698 | Dec 1981 | FRX |
21627 | Jul 1970 | JPX |
18134 | May 1980 | JPX |
147249 | Jul 1987 | JPX |
39551 | Feb 1992 | JPX |
Entry |
---|
Abstracts of Japan, May 1985, Hitachi KK. |