Number | Date | Country | Kind |
---|---|---|---|
3821341 | Jun 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3036889 | Frey | May 1962 | |
3533820 | Lewis et al. | Oct 1970 | |
3867516 | Bodson | Feb 1975 | |
4123501 | Kohler et al. | Oct 1978 | |
4631089 | Rademachers et al. | Dec 1986 | |
4701221 | Brunn et al. | Oct 1987 |
Number | Date | Country |
---|---|---|
1337392 | Sep 1987 | SUX |
Entry |
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Patent Abstracts of Japan, vol. 2, No. 18 (C-78) (1013), Jun. 28, 1978 for JP-A 5 335 697. |