Number | Date | Country | Kind |
---|---|---|---|
52/61557 | May 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2064752 | Ingram | Dec 1936 | |
2095126 | Craig | Oct 1937 | |
2100998 | Sibley | Nov 1937 | |
2290561 | Ingram | Jul 1942 | |
3083181 | Harris | Mar 1963 | |
3244683 | Kline | Apr 1966 | |
3554959 | Hammersley et al. | Jan 1971 | |
3620824 | Slade et al. | Nov 1971 | |
3842034 | Fujimori et al. | Oct 1974 |
Entry |
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Craig, J.A.C.S., vol, 60, No. 6, 1938, pp. 1458 and 1459. |