Number | Date | Country | Kind |
---|---|---|---|
4-337980 | Nov 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4959043 | Klotz et al. | Sep 1990 |
Number | Date | Country |
---|---|---|
63-200935 | Aug 1988 | JPX |
3270830 | Dec 1991 | JPX |
4-25659 | Jan 1992 | JPX |
Entry |
---|
Patent Abstracts of Japan, vol. 17, No. 618 (M-1510), Nov. 15, 1993, JP 5-192830, Aug. 3, 1993. |
Number | Date | Country | |
---|---|---|---|
Parent | 155552 | Nov 1993 |