Number | Date | Country | Kind |
---|---|---|---|
4038440 | Dec 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4176644 | Hellberg et al. | Dec 1979 | |
4406273 | Yoshinaga et al. | Sep 1983 | |
4408592 | Yoshinaga et al. | Oct 1983 | |
4421091 | Kawai et al. | Dec 1983 |
Number | Date | Country |
---|---|---|
2759154 | Jul 1979 | DEX |
2833477 | Feb 1980 | DEX |
2500074 | Aug 1982 | FRX |
Entry |
---|
JP 56-135755 A. In: Patents Abstracts of Japan, M-109, Jan. 30th, 1982, vol. 6, No. 17. |