Patent Grant
D342246
| Number | Name | Date | Kind |
|---|---|---|---|
| D250474 | Nishigaki | Dec 1978 | |
| D256912 | Lonberger | Sep 1980 | |
| D262369 | Hatakeyama | Dec 1981 | |
| D266419 | Hashimoto et al. | Oct 1982 | |
| D271298 | Fujimoto | Nov 1983 | |
| D271392 | Sumisha et al. | Nov 1983 | |
| D276567 | Yoshizawa | Nov 1984 | |
| D302553 | Koike et al. | Aug 1989 | |
| D304031 | Nishiyama et al. | Oct 1989 | |
| D304452 | Gelardi et al. | Nov 1989 | |
| D304582 | Nakaizumi | Nov 1989 | |
| D307139 | Fukuda et al. | Apr 1990 | |
| 4883176 | Hart et al. | Nov 1989 | |
| 4889296 | Watanabe et al. | Dec 1989 | |
| 4969612 | Thomas | Nov 1990 | |
| 5054616 | Gelardi et al. | Oct 1991 | |
| 5092536 | Gelardi et al. | Mar 1992 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 471075 | Jan 1990 |
