Number | Date | Country | Kind |
---|---|---|---|
89 09397 | Jul 1989 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
1859807 | Stout | May 1932 | |
2147654 | Knight | Feb 1939 | |
2162227 | Page, Jr. | Jun 1939 | |
2236482 | Zindel | Mar 1941 | |
3405893 | Flamand et al. | Oct 1968 | |
3425333 | Wachter | Feb 1969 | |
4674712 | Whitener et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
0273466 | Jul 1988 | EPX |
0676459 | Jun 1939 | DE2 |
531357 | Jan 1941 | GBX |
Entry |
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Delft University Press, Martinus Nijhoff Publishers: Synthesis of Subsonic Airplane Design, Aug. 4, 1966. |