Number | Date | Country | Kind |
---|---|---|---|
1-100121 | Apr 1989 | JPX | |
1-113820 | May 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3636108 | Brake | Jan 1972 | |
4193905 | Audykowski et al. | Mar 1980 | |
4582888 | Kase et al. | Apr 1986 |
Number | Date | Country |
---|---|---|
2132547 | Jan 1973 | DEX |
2353151 | Apr 1974 | DEX |
3326579 | Jan 1985 | DEX |
3507719 | Sep 1986 | DEX |
Entry |
---|
Derwent Japanese Patent Abstracts-vol. 14 (No. 36), 20178/65 Asahi Chem. Ind. Co., Aug. 9 1963. |
Patent Abstracts of Japan, Unexamined Applications, Section C, vol. 3, No. 43, Apr. 13, 1979. |