Number | Date | Country | Kind |
---|---|---|---|
1-335171 | Dec 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4042729 | Polichette | Aug 1977 | |
4486463 | Rubner | Dec 1984 | |
4532015 | Boultinghouse | Jul 1985 | |
4594311 | Frisch | Jun 1986 | |
4795671 | Shiiki | Jan 1989 | |
4812275 | Yumoto | Mar 1989 |
Number | Date | Country |
---|---|---|
233494 | Aug 1987 | EPX |
385165 | Sep 1990 | EPX |
Entry |
---|
Database WPIL, No. 89-360 045, Derwent Publications Ltd., London, GB *Abstract*. |