Number | Date | Country | Kind |
---|---|---|---|
44 33 211.4 | Sep 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2587448 | Eakin | Feb 1952 | |
2952336 | Cushman | Sep 1960 | |
3146975 | Delamaire | Sep 1964 | |
3146976 | Houdou | Sep 1964 | |
3433441 | Cummings | Mar 1969 |
Number | Date | Country |
---|---|---|
88 02 879.8 | Nov 1988 | DEX |
43 15 250 A1 | Nov 1994 | DEX |
Entry |
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James R. Asker Space Autoland System Shows GPS' Wide Uses Aviation Week & Space Technology Oct. 18, 1993. |