Number | Date | Country | Kind |
---|---|---|---|
3-036029 | Mar 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3895082 | Hochberg | Jul 1975 | |
4273851 | Muzyczko et al. | Jun 1981 | |
4414278 | Cohen et al. | Nov 1983 | |
4550073 | Neiss et al. | Oct 1985 | |
4551415 | Cohen et al. | Nov 1985 | |
4726877 | Fryd et al. | Feb 1988 | |
4753865 | Fryd et al. | Jun 1988 | |
4894315 | Feinberg et al. | Jan 1990 | |
4937173 | Kanda et al. | Jun 1990 | |
4956252 | Fryd et al. | Sep 1990 | |
5077175 | Fryd et al. | Dec 1991 |
Number | Date | Country |
---|---|---|
356953 | Mar 1990 | EPX |
4024710 | Feb 1991 | DEX |
Entry |
---|
Patent Abstracts of Japan, vol. 12, No. 107 (P-686) (2954) (1988). |