Number | Date | Country | Kind |
---|---|---|---|
1-074075 | Mar 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2992951 | Aspden | Jul 1961 | |
3095324 | Cusano et al. | Jun 1963 | |
3130092 | Kehler et al. | Apr 1964 | |
3837911 | Bobeck et al. | Sep 1974 | |
4001793 | Henry et al. | Jan 1977 | |
4025379 | Whetstone | May 1977 | |
4434212 | Robertson et al. | Feb 1984 | |
4439794 | Shiroishi et al. | Mar 1984 | |
4450494 | Fujiwara et al. | May 1984 | |
4499155 | Holiday et al. | Feb 1985 | |
4610932 | Haynes et al. | Sep 1986 | |
4626947 | Narishige et al. | Dec 1986 | |
4750072 | Takagi | Jun 1988 | |
4918555 | Yoshizawa et al. | Apr 1990 |
Number | Date | Country |
---|---|---|
0182511 | Jul 1985 | JPX |
61-211818 | Sep 1986 | JPX |
0274607 | Nov 1987 | JPX |
360055 | Mar 1990 | JPX |
Entry |
---|
European Search Report with Annex. |