Number | Name | Date | Kind |
---|---|---|---|
4221675 | Schiermann et al. | Sep 1980 | |
4225452 | Leigh | Sep 1980 | |
4225577 | Tilly et al. | Sep 1980 | |
4283301 | Diehl | Aug 1981 | |
4412934 | Chung et al. | Nov 1983 | |
4443623 | Photis | Apr 1984 | |
4444674 | Gray | Apr 1984 | |
4483781 | Hartman | Nov 1984 | |
4536314 | Hardy et al. | Aug 1985 |
Number | Date | Country |
---|---|---|
3304848 | Aug 1984 | DEX |
1382594 | Feb 1975 | GBX |
Entry |
---|
USSN 747,468, Hardy et al, filed Jun. 21, 1985. |