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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 |
| 7971286 | Swimming pool with bench seating module A modular occupant bench unit for use in a swimming pool formed from a plurality of contiguous modular wall panels joined end-to-end to define a pool enclosure having a vertical perimeter wall includes a vertical wall having opposite ends adapted to be joined with c... | 07/05/2011 |
| 5727264 | Swimming pool/spa integrated structure The spa disposed outside the wall of the swimming pool is attached to the swimming pool, i.e., uses a part of the wall system of the swimming pool, by means of a special panel formed with an undercut or recessed portion that accepts a integrally formed at... | 03/17/1998 |
| 5333322 | Add-on seat module for swimming pool A modular seat unit devised to be lowered into and secured to the perimeter wall at the shallow end of a swimming pool is provided. The modular seat unit affords a swimming pool owner with an in-pool seating accessory which is conveniently attached to a s... | 08/02/1994 |
| 5228148 | Combination swimming pool with wall seat module A modular seat unit to be incorporated into the perimeter wall of a swimming pool is provided. The modular seat is devised to afford a purchaser the option of incorporating the unit into a swimming pool by removing one or more modular wall panels which fo... | 07/20/1993 |
| 5107551 | Multiple accessory swimming pool coping A versatile swimming pool coping having at least three horizontal securing channels which open inward to the pool when the coping is positioned at the top of a swimming pool wall for accommodating a plurality of accessories for the swimming pool. The copi... | 04/28/1992 |
| 4797957 | Swimming pool with improved wall strengthening means An arrangement comprising a plurality of wall panels connected end-to-end to form the swimming pool is strengthened and is afforded with means to retain alignment, and prevents the wall panels from buckling. Horizontal stiffening members are positioned in... | 01/17/1989 |
| 4457119 | Swimming pool coping A flexible easily installed and low maintenance swimming pool coping providing the transitional element between horizontal pool deck and the vertical pool wall. The coping is provided with upper and lower horizontal channels and has a depending bifurcated... | 07/03/1984 |
| 4429425 | Swimming pool cover or dome bead construction An improved bead for swimming pool covers or swimming pool domes is provided with locking features which afford substantially improved capability for holding the swimming pool cover or dome secured in a holding groove positioned peripherally around the sw... | 02/07/1984 |
| 4227266 | Ground water level control system A system for controlling ground water level in a particular surrounding area is disclosed. In particular, a dewatering system to safeguard the integrity of an in-ground swimming pool against damage or disruption caused by excess water accumulating at or n... | 10/14/1980 |
| 4126905 | Floating therapy pool A floating therapy apparatus or "spa" is provided which is adapted to be floating in and to utilize the filtration and heating systems of a conventional swimming pool comprising a substantially water impermeable enclosure, which is immersed and supported ... | 11/28/1978 |
| 4047340 | Swimming pool modular constructure A swimming pool having sidewalls constructed from a series of prefabricated modular panels connected at the ends to enclose the interior of the pool. The panels are preferably formed of foamed synthetic resinous composition and of a limited number of conf... | 09/13/1977 |
| 3975874 | Swimming pool modular construction A swimming pool having sidewalls constructed from a series of prefabricated modular panels connected at the ends to enclose the interior of the pool. The panels are preferably formed of foamed synthetic resinous composition and of a limited number of conf... | 08/24/1976 |
