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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/293
Name: Illumination > Light source (or support therefor) and modifier > Including selected wavelength modifier (e.g., filter)
Description: Subject matter wherein the modifier has different effects on radiation of different wavelengths, as for example, absorbing some and transmitting others or transmitting some and reflecting others.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
5006965 Dimmer for fiber optic light transmission systems Apr. 9, 1991
5003434 Miniature hand-held spot source of illumination Mar. 26, 1991
5001616 Optical system for lighting fixture Mar. 19, 1991
4996632 Multi-color illuminating system Feb. 26, 1991
4994945 Lamp system for operating theatres and the like Feb. 19, 1991
4985816 Vehicle headlamp Jan. 15, 1991
4984143 Color filter changer Jan. 8, 1991
4974133 Lighting apparatus Nov. 27, 1990
4974136 Light fixture Nov. 27, 1990
4970628 Headlamp for automotive vehicles Nov. 13, 1990
4966453 Four-channel anomaloscope Oct. 30, 1990
4967329 Lens mounting and seal for illuminated apparatus Oct. 30, 1990
4958265 Symmetrical color changer system Sep. 18, 1990
4953066 Light assembly for liquid environment Aug. 28, 1990
4953062 Strobe flash lamp with focussed front beam and collimated lateral beams Aug. 28, 1990
4951178 Headlight for motor vehicle Aug. 21, 1990
4947291 Lighting device Aug. 7, 1990
4937714 Lighting system with halogen bulb Jun. 26, 1990
4924356 Illumination system for a display device May. 8, 1990
4914556 Spectral filter module Apr. 3, 1990
4912614 Light valve projection system with non imaging optics for illumination Mar. 27, 1990
4897772 Dental astral lamp Jan. 30, 1990
4897770 Symmetrical color changer system Jan. 30, 1990
4894760 Additive color-mixing light fixture employing a single moveable multi-filter array Jan. 16, 1990
4893226 Adjustable lens shield assembly for vehicular lights Jan. 9, 1990
4893225 Color changer Jan. 9, 1990
4890208 Stage lighting apparatus Dec. 26, 1989
4882617 Projection device and associated electro-optic monochrome display device with phosphor layer and interference filters Nov. 21, 1989
4868725 Motor vehicle combination lamp Sep. 19, 1989
4864475 Rainbow light box Sep. 5, 1989
4847736 Illuminated wall vase having removable faces Jul. 11, 1989
4839779 Multiple color light with structure to prevent color bleeding Jun. 13, 1989
4835666 Signal lamp, especially for motor vehicles May. 30, 1989
4833579 Extruded lamp fixtures for halogen light sources May. 23, 1989
4829407 Indicator lamps May. 9, 1989
4823245 Means for adding colors to electric lights Apr. 18, 1989
4814956 Lamp Mar. 21, 1989
4811179 Display device Mar. 7, 1989
4811182 Color changer Mar. 7, 1989
4800474 Color wheel assembly for lighting equipment Jan. 24, 1989
4794925 Solar ray energy radiating device for use in medical treatment Jan. 3, 1989
4794494 Daytime illumination device for a motor vehicle Dec. 27, 1988
4792884 Illuminated vanity mirror visor Dec. 20, 1988
4788631 Wrist mounted flashlight Nov. 29, 1988
4785281 Mechanical implementation of unambiguous automotive brake signal lights Nov. 15, 1988
4780799 Heat-dissipating light fixture for use with tungsten-halogen lamps Oct. 25, 1988
4771371 Light ray radiating device Sep. 13, 1988
4768133 Lighting device Aug. 30, 1988
4766526 Light source Aug. 23, 1988
4763234 Illuminated devices Aug. 9, 1988

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