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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 |
| 7241019 | Reflective rear light for a truck A reflective rear light for a truck includes a bottom base, a light base, a circuit board, a reflective plate unit and a light lens unit. The circuit board is formed integral, provided with plural LED lights divided into plural indicting sections. Further the LED li... | 07/10/2007 |
| 7210799 | Method for producing a plate In a process for the production of a plate, in particular a motor vehicle licence plate, in which at least a layer sequence forming an electroluminescence flat capacitor (4, 5, 6, 7) and a reflection film (10; 10′) are applied to a carrier (1)... | 05/01/2007 |
| 7003907 | Inertia-driven changing display A display panel includes a casing, a number of parallel display elements rotatably mounted within the casing, a mass that can move within the casing, and a mechanism with which the mass interacts to affect rotation of the display elements. A base attaches the displa... | 02/28/2006 |
| 6901879 | Reflective warning and informational member for traffic sign posts A supplemental reflective and informational member securable within the C-shaped channel of existing traffic sign posts to provide additional reflective safety warning, extend the life of the traffic sign function from fading due to UV sun rays and to provide inform... | 06/07/2005 |
| 6652106 | Bicycle safety reflectors The invention relates to a reflector, including at least one flexible reflective element wrapped around a bicycle member, a backing in contact with an first end of the at least one flexible reflective element along a portion of a periphery of the backing,... | 11/25/2003 |
| 6139158 | Retroreflective articles with multiple size prisms in multiple locations Retroreflective sheeting and articles are formed in which the size of the retroreflective and non-retroreflective surfaces may be varied across an array of microprisms. This is accomplished by varying the location of the reflective coating applied to the ... | 10/31/2000 |
| 6109754 | Rotating reflective marker A reflective marker is disclosed. The marker comprises at least one rotatable reflective element contained within an interior volume of an at least partially transparent container, such that the at least one reflective element is visible from outside the ... | 08/29/2000 |
| 6048068 | Wheel rotation marker The present invention relates to a marker for indicating wheel rotation for a truck. The marker fits onto the wheel and turns with the wheel. The marker has a reflective end to allow vision during less visible occasions. The marker is mounted on the wheel... | 04/11/2000 |
| 5953159 | Electromagnetic signaling reflector An electromagnetic signaling reflector includes a housing (30) having an active position and a stowed position. A plurality of reflective surfaces (32) are contained in the housing (30) and the plurality of reflective surfaces (32) form a retroreflector (... | 09/14/1999 |
| 5801889 | Technique to eliminate scattered light in diffractive optical elements Diffractive optics using surface relief profiles, also known as blazed gratings having ramps and edges or steps (also referred to as blazed facets with discontinuities at the interfaces between adjacent facets) defining grating lines and phase delays to w... | 09/01/1998 |
| 4931768 | Multicolor emergency vehicle light A base adapted to be mounted on a vehicle supports a light source for generating a rotating light beam. A dome-shaped lens is positioned on the base over the light source to form an enclosure for the light source. A coating may be located on the top of th... | 06/05/1990 |
| 4776672 | Multi-paned polygonal lighthouse assembly with improved corner configuration A multiple pane lighthouse assembly in a reference laser beam projecting apparatus includes a plurality of transparent panes disposed in an arrangement that defines a transparent window structure which permits transmission of laser light therethrough and ... | 10/11/1988 |
| 4575189 | Bicycle reflector safety device A bicycle reflector safety warning device which embodies reflectors, oriented for viewing from both forward and rearward of the bicycle, on both sides of the bicycle, so as to define the outside dimensions on both sides of the bicycle and to provide a lat... | 03/11/1986 |
| 4417783 | Pulsating, oscillating bicycle reflector A novel signaling device for mounting on the rear of a bicycle that reflects and redirects light from a remote source back toward that source in the form of a pulsating or oscillating signal. It consists of a light collecting and directing means, such as ... | 11/29/1983 |
| 4194809 | Motion reflector An attachment for objects provides improved safety by affording increased visibility under a wide range of conditions of ambient illumination. The attachment comprises a device mounted on resilient means affixed to an object which can have some independen... | 03/25/1980 |
| 4145989 | Oscillating signal for bicycles Support structure is provided for mounting on a bicycle fender adjacent a peripheral portion of an associated wheel of the bicycle. A signal member is mounted on the support structure for oscillation relative thereto and a rotary member is supported from ... | 03/27/1979 |
| 4131079 | Wind rotated reflective scarecrow An effective but inexpensive device for scaring pests, such as birds, from an area to be protected is formed from an elongated, vertically extending post; a resilient wire mounted on, and extending from, the upper end of the post; and a pair of large, thi... | 12/26/1978 |
| 4023888 | Flashing retroreflecting device A reflecting device providing a flashing reflection of light incident on the device toward an intended observer includes a converging Fresnel lens for receiving light directed onto the device and for focusing the light within the focal plane of the lens, ... | 05/17/1977 |
