Number | Name | Date | Kind |
---|---|---|---|
2038638 | Brey | Apr 1936 | |
2614014 | Stanitz | Oct 1952 | |
2785937 | Murray | Mar 1957 | |
2895778 | Lieber | Jul 1959 | |
2970872 | Ullman, Jr. | Feb 1961 | |
3359574 | Stoneburner | Dec 1967 | |
3606508 | Burnes | Sep 1971 | |
3847865 | Duggins et al. | Nov 1974 | |
4126365 | Bryant | Nov 1978 | |
5330262 | Peters | Jul 1994 |
Number | Date | Country |
---|---|---|
3329172 | Feb 1985 | DEX |
1234328 | May 1986 | SUX |
Entry |
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Science Illustrated--Dec. 1948. p. 84--magazine article. |