Number | Date | Country | Kind |
---|---|---|---|
1420/91-8 | May 1991 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
1761306 | McKeown | Jun 1930 | |
1792040 | Schaub | Feb 1931 | |
4189882 | Harrison et al. | Feb 1980 | |
4223495 | Peter | Sep 1980 | |
4357782 | Peter | Nov 1982 | |
4704754 | Bonasso | Nov 1987 | |
4924638 | Peter | May 1990 |
Number | Date | Country |
---|---|---|
790706 | Sep 1935 | FRX |
2589631 | May 1987 | FRX |
Entry |
---|
European Search Report; Feb. 10, 1992. |