Number | Date | Country | Kind |
---|---|---|---|
62-215651 | Aug 1987 | JPX | |
62-331994 | Dec 1987 | JPX | |
63-113909 | May 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3694267 | Angelovich | Sep 1972 | |
3740271 | Jammet et al. | Jun 1973 | |
4567118 | Connelly | Jan 1986 | |
4606983 | Milewsk et al. | Aug 1986 |
Number | Date | Country |
---|---|---|
2238180 | May 1973 | DEX |
2321842 | Jan 1974 | DEX |
2557455 | Jun 1977 | DEX |
2554640 | May 1985 | FRX |
Entry |
---|
European Search Report, The Hague. |