Number | Date | Country | Kind |
---|---|---|---|
3-353819 | Dec 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3772874 | Lefkowitz | Nov 1973 | |
4405208 | Shirai | Sep 1983 | |
4878742 | Ohkubo et al. | Nov 1989 | |
5198917 | Togashi | Mar 1993 | |
5307189 | Nishiki et al. | Apr 1994 |
Number | Date | Country |
---|---|---|
2162621 | Jul 1973 | FRX |
Entry |
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Abstract of JP 52299944 of Dec. 26, 1987, Patent Abstracts of Japan, vol. 12, No. 194 (P713), 7 Jun. 1988. |
Abstract of JP 3177817 of Aug. 1, 1991, Patent Abstracts of Japan, vol. 15, No. 430 (P1270), 31 Oct. 1991. |
Abstract of JP 3111820 of May 13, 1991, Patent Abstracts of Japan, vol. 15, No. 312 (P1236), 9 Aug. 1991. |
Abstract of JP 4051121 of Feb. 19, 1992, Patent Abstracts of Japan, 16, No. 237, (P1362), 29 May 1992. |