Number | Date | Country | Kind |
---|---|---|---|
9204525.1 | Mar 1992 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3056371 | Frank | Oct 1962 | |
4869418 | Simpson et al. | Sep 1989 |
Number | Date | Country |
---|---|---|
234850 | Sep 1987 | EPX |
481710 | Apr 1992 | EPX |
51-9045 | Jan 1976 | JPX |
62-76541 | Apr 1987 | JPX |
Entry |
---|
58-86753; Patent Abstracts of Japan, vol. 7, No. 182, (E-192)(1327) 11 Aug. 1983; May 1983 (Complete Doc. Published). |