Patent Grant
D326710
| Number | Name | Date | Kind |
|---|---|---|---|
| D244533 | Eidelberg et al. | May 1977 | |
| D256046 | Perrin | Jul 1980 | |
| D281525 | Gilbert | Nov 1985 | |
| D285109 | Jornhagen | Aug 1986 | |
| D285247 | Jornhagen | Aug 1986 | |
| D289078 | Vassallo et al. | Mar 1987 | |
| 4579354 | Vassallo et al. | Apr 1986 | |
| 4625383 | Vassallo et al. | Dec 1986 | |
| 4637618 | Valls | Jan 1987 | |
| 4818209 | Petersson et al. | Apr 1989 | |
| 4834398 | Guzowski et al. | May 1989 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 574543 | Aug 1990 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 326277 | Mar 1989 |
