Number | Date | Country | Kind |
---|---|---|---|
91200076.7 | Jan 1991 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
2444536 | Searle | Jul 1948 | |
2966498 | Humphrey | Dec 1960 | |
4130564 | Haug et al. | Dec 1978 |
Number | Date | Country |
---|---|---|
2913300 | Oct 1979 | DEX |
62072663 | Sep 1985 | JPX |
63196560 | Feb 1987 | JPX |
2002378A | Feb 1979 | GBX |
Entry |
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