Number | Date | Country | Kind |
---|---|---|---|
5-024159 | Feb 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3798099 | Marcatili | Mar 1974 | |
4639074 | Murphy | Jan 1987 | |
5155787 | Carpenter et al. | Oct 1992 | |
5379360 | Ota et al. | Jan 1995 |
Number | Date | Country |
---|---|---|
0331334 | Sep 1989 | EPX |
0388642 | Sep 1990 | EPX |
0573288 | Jun 1993 | EPX |
2-125209 | May 1990 | JPX |
2-285306 | Nov 1990 | JPX |
2191601 | Dec 1987 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 14, No. 349 (P-1084) (4292) May 14, 1990 & JP-A-02 125 209 (Sumitomo Electric). |