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| Number | Title | Issue Date |
| 7204618 | Light with interchangeable panels A light assembly has at least one pane having at least one translucent portion and at least one insert having at least one translucent portion. A retaining means retains the at least one insert relative to the at least one pane, and at least one electrically powered... | 04/17/2007 |
| 5145246 | Arrangement for collecting and emitting light via defined surface areas Arrangement for collecting and emitting light via defined surface areas (25) in order to create a slide. The arrangement consists of a number of transparent plate elements, collector plates (12-15), which are designed to receive incident light at one or m... | 09/08/1992 |
| 4846549 | Method and apparatus to produce enhanced luminosity on display devices in glare A display device and method are provided whereby light rays from a glareproducing light source are concentrated on the signal portion of the display device to enhance its luminosity. Display devices are provided that use reflecting and refracting light co... | 07/11/1989 |
| 4453327 | Solar display kiosk A solar display kiosk particularly to a display kiosk that during day time conditions is illuminated by the sun. It provides, in its preferred embodiment, a closed cylindrical member placed in the vertical position with an open or a closed but light trans... | 06/12/1984 |
| 4157531 | Automobile emergency signal A signal lamp comprises a housing defining two openings of corresponding overall shape and size, and an electrical light source mounted in the housing to provide a light beam which leaves the housing by way of one of the openings. The lamp also comprises ... | 06/05/1979 |
| 4117616 | Reflectorized symbol sign and method of fabricating and assembling Adhesive backed information and border sign symbols are formed from finished metal sheet or coil which has initially applied to a back surface thereof adhesive covered by release paper. Reflectors are mounted in openings of the sign symbols retained there... | 10/03/1978 |
