Number | Date | Country | Kind |
---|---|---|---|
4205811 | Feb 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3065205 | Bonner | Nov 1962 | |
5110893 | Fukuyama | May 1992 | |
5166304 | Dubal et al. | Nov 1992 |
Number | Date | Country |
---|---|---|
1387303 | Mar 1975 | GBX |
WO9014378 | Nov 1990 | WOX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 362, (C-389)[2419], published Dec. 4, 1986. |