Number | Date | Country | Kind |
---|---|---|---|
8900822 | Apr 1989 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
3691435 | Winn | Sep 1972 | |
4103209 | Elms | Jul 1978 | |
4134042 | Veeckens | Jan 1979 | |
4223247 | Jacobs | Sep 1980 | |
4353012 | Fallier | Oct 1982 | |
4403173 | Mayer | Sep 1983 | |
4461982 | Fahnrich | Jul 1984 | |
4629945 | Fallier | Dec 1986 | |
4724362 | Lester | Feb 1988 | |
4818917 | Vest | Apr 1989 |
Entry |
---|
Neues aus der Technik Feb. 15, 1988 p. 1. |