Number | Date | Country | Kind |
---|---|---|---|
89 16915 | Dec 1989 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2309585 | Haddock | Jan 1943 | |
4552199 | Onoyama et al. | Nov 1985 | |
4830086 | Kobayashi et al. | May 1989 |
Number | Date | Country |
---|---|---|
0229031 | Jul 1987 | EPX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 134; May 17, 1986. |
Patent Document 60-257954 published Dec. 19, 1985. |