Number | Date | Country | Kind |
---|---|---|---|
4-209199 | Aug 1992 | JPX | |
4-258474 | Sep 1992 | JPX | |
4-268806 | Oct 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4685664 | Petersdorf | Aug 1987 | |
4703923 | Anderson et al. | Nov 1987 | |
5022641 | Okada | Jun 1991 | |
5033728 | Miura et al. | Jul 1991 | |
5092576 | Takahashi et al. | Mar 1992 | |
5183240 | Morooka et al. | Feb 1993 | |
5280896 | Yamada | Jan 1994 |
Number | Date | Country |
---|---|---|
0477946 | Apr 1992 | EPX |
0478336 | Apr 1992 | EPX |
4217568 | Aug 1992 | JPX |
Entry |
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Patent Abstracts of Japan vol. 15, No. 481, 6 Dec. 1991; & JP-A-03 205 273 Abstract. |