Number | Date | Country | Kind |
---|---|---|---|
8703984 | Oct 1987 | SEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/DK88/00165 | 10/10/1988 | 4/11/1990 | 4/11/1990 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO89/03343 | 4/20/1989 |
Number | Name | Date | Kind |
---|---|---|---|
2521503 | Clark | Sep 1950 | |
2790365 | Bunting | Apr 1957 | |
3005509 | Nolan | Oct 1961 | |
4070562 | Kuno et al. | Jan 1978 | |
4113041 | Birkeholm | Sep 1978 | |
4225279 | Boyer | Sep 1980 | |
4232372 | Berent | Nov 1980 | |
4375244 | Morin | Mar 1983 | |
4627011 | Spencer | Dec 1986 | |
4723078 | Neuffer et al. | Feb 1988 |
Number | Date | Country |
---|---|---|
WO8500790 | Feb 1985 | WOX |
Entry |
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FAN, Henry S. L. and HANEY, Dan G., AIRCRAFT TOWING FEASIBILITY STUDY, Paper Presented at Symposium on Commercial Aviation Energy Conservation Strategies, Apr. 2-3, 1981, Cosponsored by U.S. Department of Energy and Federal Aviation Administration (DOE/FAA). |