Number | Name | Date | Kind |
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D34940 | Fazier | Aug 1901 | |
D35263 | Frazier | Nov 1901 | |
D366740 | Clausen et al. | Jan 1996 | |
D401703 | Beechuk et al. | Nov 1998 | |
542830 | Ohm | Aug 1895 | |
1542996 | Erickson | Jun 1925 | |
2755498 | Park | Jul 1956 | |
2840840 | Yamen | Jul 1958 | |
3085271 | Janssen | Apr 1963 |