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 |
| 6311424 | Telescope for weapons and other applications A telescope apparatus and system for rifles and other weapons comprising a forward portion, consisting of a forward objective lens fixed on the front end of a firing line light tube, held firmly to the weapon by slip springs in which the forward light tub... | 11/06/2001 |
| 4232449 | Bore sighting apparatus The bore sighting apparatus or alignment device is comprised of a two-part ring hinged together and provided with a clamp for securing the ring on the muzzle of a howitzer. A pair of hinged witness sights are provided on the ring and a pair of arms extend... | 11/11/1980 |