Number | Date | Country | Kind |
---|---|---|---|
4-229285 | Aug 1992 | JPX | |
4-350392 | Dec 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4093137 | Christiana et al. | Jun 1978 | |
4588143 | Hetzel | May 1986 | |
4819323 | Groothoff | Apr 1989 | |
4821407 | Van de Meerakker | Apr 1989 | |
4884759 | Nelle et al. | Dec 1989 | |
4946112 | Nelle et al. | Aug 1990 | |
4997138 | Luciani et al. | Mar 1991 |
Number | Date | Country |
---|---|---|
2449964 | Feb 1980 | FRX |
1068737 | Nov 1963 | GBX |
Entry |
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IBM Technical Disclosure Bulletin, vol. 33, No. 9, Feb. 1991, Armonk, N.Y., USA, pp. 165-166. |