Number | Date | Country | Kind |
---|---|---|---|
3-298027 | Oct 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5236719 | Meyers et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
510977 | Jul 1980 | AUX |
0368451 | May 1990 | EPX |
0443788 | Aug 1991 | EPX |
0477089 | Mar 1992 | EPX |
2268473 | Nov 1975 | FRX |
Entry |
---|
Patent Abstracts of Japan, CA112(18):160929u. |