An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 6278479 | Dual reality system An apparatus for merging real and virtual images in which points in three dimensions of an actual scene are obtained and selected in a random fashion and in a number sufficient to track the movement of the three dimensional scene relative to an observer w... | 08/21/2001 |