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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 4190219 | Vortex diffuser The vortex system behind an aircraft is responsible for more than half of the aircraft drag in cruise flight and sometimes more in other flight conditions. The purpose of the vortex diffuser is to intercept the wing tip vortex just aft of the wing trailin... | 02/26/1980 |
| 4172574 | Fluid stream deflecting members for aircraft bodies or the like Devices to reduce the drag experienced by aircraft and other travelling bodies, comprising sail-like members mounted on the body surface. These members project into the local stream that forms close to the surface during motion, and tend to divert that lo... | 10/30/1979 |
| 4135687 | Steering and stabilization apparatus for aircraft Vane members are movably mounted on the hulls of watercraft to serve steering and stabilization functions. Several embodiments are provided, some of which rotate between extended and shielded positions, others of which fold to vary the angle at which they... | 01/23/1979 |
| 4121791 | Aircraft built up from individual readily assembled and disassembled segments or components A lightweight, segmented, easily assembled aircraft having a hollow fuselage tube, upon which the cockpit, wing, empennage, landing gear, engine, and shell segments are supported and secured, is presented. The wing construction aerodynamically extends the... | 10/24/1978 |
| 4050397 | Foil fence for hydrofoil craft A predetermined-sized and shaped foil-fence structure which is substantially perpendicularly mounted at the foil-tip of a hydrofoil craft and projects downward, upward or partly downward and upward from the foil-tip. The fence surfaces are generally dispo... | 09/27/1977 |
| 4017041 | Airfoil tip vortex control Device for diminishing tip vortices in an aircraft. For the purpose of diminishing the tip vortices generated by aircraft there are provided retractable foils at or near the airfoil, as wing, tips in question and projecting upwardly and/or downwardly ther... | 04/12/1977 |
