Number | Date | Country | Kind |
---|---|---|---|
4-063288 | Mar 1992 | JPX | |
4-144444 | Jun 1992 | JPX | |
4-170332 | Jun 1992 | JPX | |
4-278937 | Oct 1992 | JPX | |
4-326912 | Dec 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3898670 | Erikson | Aug 1975 | |
3972611 | Tanaka | Aug 1976 | |
4538156 | Durkee et al. | Aug 1985 | |
5099256 | Anderson | Mar 1992 | |
5119140 | Berkes | Jun 1992 |
Number | Date | Country |
---|---|---|
3811141 | Oct 1988 | DEX |
Entry |
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Patent Abstracts of Japan, vol. 14, No. 281 (M-986), 1990. |