Number | Date | Country | Kind |
---|---|---|---|
1-260023 | Oct 1989 | JPX | |
2-66482 | Mar 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4509123 | Vereen | Apr 1985 | |
4775935 | Yourick | Oct 1988 | |
4812985 | Hambrick et al. | Mar 1989 | |
4920488 | Filley | Apr 1990 | |
4947322 | Tenma et al. | Aug 1990 | |
4972318 | Brown et al. | Nov 1990 | |
4992940 | Dworkin | Feb 1991 | |
5025140 | Varley | Jun 1991 | |
5053956 | Donald et al. | Oct 1991 | |
5111392 | Malin | May 1992 |
Entry |
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Hitachi Review, vol. 71, No. 2, pp. 67-72, (1989-2). |
Nikkei Data Pro-Marketing System, Oct. 1988, MA1- 6500-006. |