Number | Date | Country | Kind |
---|---|---|---|
DM/032 626 | Mar 1995 | WOX |
Number | Name | Date | Kind |
---|---|---|---|
3050874 | Silombra | Aug 1962 | |
3354562 | Munari | Nov 1967 | |
3363342 | Stohr | Jan 1968 | |
3535799 | Onitsuka | Oct 1970 | |
4227322 | Annoui | Oct 1980 | |
4441265 | Burns et al. | Oct 1984 | |
4571856 | Lin et al. | Feb 1986 | |
4937952 | Oliveri | Jul 1990 | |
5499461 | Danezin et al. | Mar 1996 |