Number | Date | Country | Kind |
---|---|---|---|
7-173633 | Jul 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2929756 | Schuh | Mar 1960 | |
3216886 | Katzen | Nov 1965 | |
4406703 | Guthrie et al. | Sep 1983 | |
4641792 | Villavicencio et al. | Feb 1987 | |
5021093 | Beshay | Jun 1991 | |
5167710 | Leroux et al. | Dec 1992 | |
5178335 | Mertens | Jan 1993 | |
5397067 | Akiyama et al. | Mar 1995 | |
5433805 | Schmidmeier | Jul 1995 |
Entry |
---|
GB 213,003, Mar. 24, 1924. |