Number | Date | Country | Kind |
---|---|---|---|
3012789 | Apr 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2422744 | O'Neil | Jun 1947 | |
3089667 | Gosslau et al. | May 1963 | |
3339866 | Paluka et al. | Sep 1967 | |
3719256 | Clark | Mar 1973 | |
3931944 | Capewell et al. | Jan 1976 |
Entry |
---|
Johnson, "Low-Subsonic Flight Chara. of a Model of a Supersonic-Airplane fig., with a Parawing as a Landing Aid," NASA TN D-2031, 1963. |
"Aerodynamic Chara. of the Parafoil Glider and Other Gliding Parachutes", RTD-TDR-63-4022, 1964. |