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| Number | Title | Issue Date |
| 4575783 | Reflector for illuminating signs In a luminaire for illuminating signs, a reflector having segments for redirecting light to various areas of the sign so as to create a uniformly illuminated sign.... | 03/11/1986 |
| 4546019 | Works of visual and sculptural art and methods of making them A work of visual or sculptural art includes an image applied to a transparent substrate. The image is cut on or into the substrate, and is highlighted by a contrast or color-enhancing backing. The work of art and method are appliable to useful articles.... | 10/08/1985 |
| 4544586 | Laminar structure of polyester Laminar structures useful as road signs, markers, informational signs and the like comprised of: (i) a modified thermoplastic polyester core structure; and (ii) a front light reflective layer disposed on and laminated to said core structure.... | 10/01/1985 |
| 4517040 | Method of making a decorative photo mirror A method of making a decorative mirrored image includes the steps of cutting a glass mirror to a predetermined size and shape and then removing a portion of the mirrored surface to form a vignetted pattern. The mirrored surface is then cleaned of chemical... | 05/14/1985 |
| 4497126 | Greeting card with illuminated message and design Greeting card with two folding pages joined by a fold having on one page a raised hollow design containing a battery and a light source and a suitably shaped reflector behind the light source, so that light rays may be reflected onto a reflective message ... | 02/05/1985 |
| 4425604 | Illuminating device for a display unit An illuminating device for a display unit in which the display panel can be illuminated uniformly under a relatively constant luminous intensity. The illuminating device according to the present invention comprises a display panel, at least one light sour... | 01/10/1984 |
| 4420221 | Passive animated, or pattern changing sign A lenticular device is disclosed having a lens array with one or more lenticular convex ridges joined by cusped or concave valleys forming lens elements on one of its surfaces. In addition, the lenticular array is uniformly separated from a message transm... | 12/13/1983 |
| 4342128 | Wiper device for removal of snow and liquid from ski glasses or goggles A device is disclosed for the removal of snow and other debris from the surface of glasses or goggles as worn by skiers. The device includes a handle portion having a wiper blade secured thereto for cleaning the lenses of the glasses or goggles. To preven... | 08/03/1982 |
| 4323320 | Light-reflecting arrangement for use in traffic control devices A light-reflecting arrangement includes a stack of clean light-reflecting plates which are mounted on a support for gradual advancement, one after the other, into an operative position in which the respective light-reflecting plate replaces the previous o... | 04/06/1982 |
| 4307528 | Rotating display A rotating display which gives the illusion of simultaneous movement in both the clockwise and counterclockwise directions is disclosed. The rotary display inclues a rotary reflector having a plurality of light reflecting surfaces formed thereon. Each of ... | 12/29/1981 |
| 4257690 | Eye testing chart An eye chart having a plurality of rows of letters where each letter is composed of a line-stroke having a plurality of adjoining black and white segments to provide an average reflectance which is the same as the reflectance of the gray background of the... | 03/24/1981 |
| 4250646 | Highway sign A three-dimensional sign, which may include an angularly disposed perimeter with a mirror-like surface, for reflecting light from the headlights of oncoming vehicles so as to gather light on the sign and make the symbols or letters and background stand ou... | 02/17/1981 |
| 4246713 | Illuminated advertising display device with changing visual effects An illuminated advertising display device produces changing visual effects by placing a panel having a pattern of holes at the front of a light box with some of the holes defining alpha-numeric characters, and reciprocating behind the panel a shutter whic... | 01/27/1981 |
| 4240220 | Reflector with illuminated indicia A reflector with illuminated indicia, such as for automotive use, comprising a translucent sheet-like material having reflecting elements on at least a portion of at least one surface thereof and indicia defining means on the rear surface portion of said ... | 12/23/1980 |
| 4231830 | Process for preparing reflecting sheeting having wide angle response A reflective sheeting is disclosed having spaced apart cavities extending along one face and light-reflecting beads lining both wall and bottom portions of the cavities to impart a wide angle retroreflective response to incident light and improved brightn... | 11/04/1980 |
| 4215501 | Light efficient display device This invention relates to a contrast maintaining means for use in display devices. The invention uses a substrate of synthetic paper having a light reflectance to light transmittance ratio which is in the order of 1 to 1. A substantially opaque coating ma... | 08/05/1980 |
| 4134643 | Foldable road reflector device A foldable reflector for roads and highways in which the reflecting member is mounted on a panel held vertically on a supporting base. The panel is abutted on both sides by hinged wire stands which are spring-loaded to bear against the panel so as to keep... | 01/16/1979 |
| 4123853 | Educational device for dyslexic children Disclosed is an educational device for dyslexic children which comprises a base, a shaft mounted on the base, a plurality of blocks mounted on the shaft for rotation relative to the base, and a mirror mounted on the base facing the shaft. Mirror-image and... | 11/07/1978 |
| 4099838 | Reflective sheet material A new sheet material carries specially viewable reflective legends provided by a dielectric mirror. The mirror is patterned so that the reflectivity from the mirror carries a pattern of contrasting colors. In some embodiments the mirror is incorporated in... | 07/11/1978 |
| 4084339 | Illuminated display apparatus An illuminated display apparatus includes a laser projector and a retro-reflective screen onto which the beam from the laser projector is projected. A beam deflection device may be disposed between the projector and the screen. The beam deflection device ... | 04/18/1978 |
| 4049358 | Visible markers for road surfaces A marker for road surfaces is of the type having a mounting adapted to be fixed in the roadway with an aperture at the upper end of the mounting for holding a visible portion held in upraised position by spring means; in the marker of the invention the vi... | 09/20/1977 |
| 4044482 | Warning device An optical warning device has a sign that is mounted on the inner surface of the lid of a vehicle compartment, and a light source that illuminates the sign.... | 08/30/1977 |
| 4040760 | Direction-indicating surface marking apparatus for roadways and the like This disclosure is concerned with distinctively and unambiguously marking the directions of travel on motoring highways, airports and other surfaces with the aid of a thin novel saw-tooth marker strip that is adhered to the traveling surface and has disti... | 08/09/1977 |
| 4028829 | Warning device for vehicles An inertia actuated warning signal device for vehicles has an inertia member supported for limited reciprocating movement in a path extending along a direction of motion of an associated accelerating and decelerating vehicle, and for rotating movement abo... | 06/14/1977 |
| 4025674 | Reflex light reflecting sheet A reflex light reflecting sheet or reflective structure whereby incident light is reflected from a reflective layer on the rear of the structure through a plurality of small transparent balls, wherein a surface coating layer which is transparent and flat ... | 05/24/1977 |
| 4016665 | Signboard using marcromolecular elastomer having adhesive layer A signboard is provided which is comprised of a flexible weather-proof macromolecular sheet, a colored paint coated on the front surface of the sheet in the form of a design or message and a self-sticking adhesive layer containing rubber and bituminous ma... | 04/12/1977 |
| 4005538 | Internally illuminated retroreflective signs Internally illuminated signs incorporating light-transmissive retroreflective sheeting between the internal illumination source and the sign face in position to retroreflect light beamed against the sign face so as to make the signs retroreflective. Prefe... | 02/01/1977 |
| 3994086 | Reflex light reflector A reflex light reflector or reflective structure whereby incident light is reflected from a reflective layer on the rear of the structure through a plurality of small transparent balls, wherein a transparent flat coating layer is formed over the surfaces ... | 11/30/1976 |
| 3983652 | Illuminated display having remote light source In an illuminated display, useful for advertising and as a work of art, the face of the display is suspended above a remote source of substantially parallel light rays and comprises at least one light transmitting portion exterior to a body arranged to re... | 10/05/1976 |
| 3973342 | Light reflector plate and method of fabrication A reflector plate including a transparent or at least translucent synthetic plastic body with a back surface having a multiplicity of evenly distributed, integral, optically precisely formed triangular pyramids or like prisms as reflecting element formati... | 08/10/1976 |
| 3971692 | Retro-reflective materials Retro-reflective material is made by applying a mono-layer of transparent glass beads to a tacky coating formed on a carrier sheet, coating exposed parts of the beads with a reflective material such as aluminium, and embedding the reflectively coated part... | 07/27/1976 |
| 3970033 | Portable reflector device A construction suitable for incorporation into a display device, reflector, or the like. The construction employs a closed loop of material having elongated side wall portions. The loop is generally cross sectionally H-shaped. A flange or the like may pro... | 07/20/1976 |
| 3964197 | Versatile outdoor sign A novel sign usable for advertising or for decorative purposes, involving a mesh defining a large number of regularly recurring apertures, into which a number of colored chips may be easily installed in a pre-established pattern or configuration. By selec... | 06/22/1976 |
| 3936567 | Light-reflective adhesive label An adhesive label having a sandwich construction utilizing a light reflective outer layer, an inner supporting layer, and an adhesive layer as an opposite outer layer which is used to affix the label to an object.... | 02/03/1976 |
| 3934366 | System for producing variable static light displays A system for producing a variety of static multicolor light displays includes a plurality of different colored translucent image-producing elements. A light source is positioned to direct light through the image-producing elements and onto a display surfa... | 01/27/1976 |