| Patents for G09F 13 - Illuminated signs; Luminous advertising (20,048) |
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| 10/08/1991 | US5055347 Retroreflective sheeting adapted to be bonded to vulcanizable or curable substrate |
| 10/02/1991 | EP0448631A1 Information display device |
| 10/02/1991 | DE4109532A1 Illuminated trim panel for vehicle - has small light openings for integral lamp and with plane appearance when switched off |
| 10/02/1991 | DE4021237C1 Illuminated display sign - has opaque mounting box with light source and translucent front plate |
| 09/26/1991 | DE4009513A1 Leuchtbild Light effects |
| 09/25/1991 | CN1014040B Warning triangle for motor vehicles |
| 09/24/1991 | US5050327 Retroreflective sign having improved legibility |
| 09/24/1991 | US5050325 Display indicator and reed switch |
| 09/24/1991 | CA1289358C Warning triangle for motor vehicles |
| 09/18/1991 | EP0446739A1 Showcase for insertion of advertising posters |
| 09/18/1991 | EP0446324A1 Backlighting apparatus. |
| 09/18/1991 | CN2085084U Solar signal indicating lamp |
| 09/18/1991 | CN1014006B Display device with lighting |
| 09/17/1991 | US5050046 Surface lighting apparatus |
| 09/17/1991 | US5048210 Device for illuminating residence information |
| 09/11/1991 | EP0446068A1 Illumination of a surface |
| 09/11/1991 | CN2084634U Picture changeable optical fiber display board |
| 09/10/1991 | US5047907 Legend displaying light fixture with enhanced strength and structural stability |
| 09/10/1991 | US5047107 Method and apparatus for applying a reflective sleeve to a traffic cone |
| 09/10/1991 | US5046805 Tapered optical waveguides for uniform energy (light) distribution including energy bridging |
| 09/10/1991 | US5046273 Portable display system |
| 09/10/1991 | CA1288591C Illuminated display |
| 09/05/1991 | WO1991013425A1 Method of wiring for the electrification of 2-dimensional nets imbedded in euclidean space of 2- or 3-dimensions |
| 09/03/1991 | US5045000 Neon sign connector |
| 09/03/1991 | US5044734 Electro-optical flat-design display device, in particular LCD area |
| 09/03/1991 | CA1288497C Prefabricated continuous road marking tape having optical and electromagnetic function |
| 09/03/1991 | CA1288406C Illuminating device having non-absorptive variable transmissivity cover |
| 08/29/1991 | DE4005866A1 Acquisition display with rear light sources |
| 08/27/1991 | US5042894 Fiber optic lighting system |
| 08/21/1991 | CN2083321U Electronic colour lamp advertisement box |
| 08/20/1991 | US5041947 Display device |
| 08/20/1991 | US5040988 Visual mood and cause indicator apparatus and method |
| 08/20/1991 | US5040878 Illumination for transmissive displays |
| 08/20/1991 | US5040321 Quick set-up sign stand |
| 08/20/1991 | US5040320 Illuminated information display assembly |
| 08/13/1991 | US5040098 Backlight for an electronic display |
| 08/13/1991 | US5039832 Touch button light ring system |
| 08/08/1991 | DE4026870A1 Back-lighted box for displaying placards or transparencies - has e.g. opal matt glass diffusion plate and reflector sepd. by edge-lighted stack of light guides |
| 08/07/1991 | EP0440379A2 Lighting device |
| 08/07/1991 | EP0199814B1 A lighting assemblage |
| 08/06/1991 | US5037709 Light emitting diodes; brightness |
| 07/31/1991 | EP0438768A1 Luminous display device |
| 07/31/1991 | CN2082008U Flashing device of neon light |
| 07/30/1991 | US5036440 Illumination type keytop |
| 07/30/1991 | US5036435 Illumination panel |
| 07/30/1991 | US5036249 Electroluminescent lamp panel and method of fabricating same |
| 07/30/1991 | US5036248 Light emitting diode clusters for display signs |
| 07/30/1991 | US5036243 Glass plate illumination device sign with integral electrodes of particular thermal resistance |
| 07/30/1991 | US5035920 Coating support with binder, then aerosol dispensing transparent microspheres to become embedded in binder, signs |
| 07/30/1991 | US5035760 Method of indicating a location |
| 07/25/1991 | WO1991011017A1 Integrated radio-frequency light source for large scale display |
| 07/25/1991 | DE4001839A1 Suspended lighting unit - has side panels transmitting light and with advertising information |
| 07/24/1991 | EP0437819A1 Illuminated advertising sign perpendicular to the wall |
| 07/23/1991 | US5034864 Planar light-source device and illumination apparatus using the same |
| 07/23/1991 | US5034731 Automatic appliance electric state signalling label |
| 07/16/1991 | US5032768 Gas discharge display device |
| 07/11/1991 | WO1991009744A1 Electro-optic animated displays and indicators |
| 07/09/1991 | US5030498 Displaying sheet and window display signboard in which said display sheet is utilized |
| 07/04/1991 | DE4041982A1 Thin film colour electro-luminescence display - has colour filters lying on surface to avoid parallax problems |
| 07/03/1991 | CN2080206U Power saving fully automatic colour row number indicator |
| 07/02/1991 | US5029045 Surface lighting apparatus |
| 07/02/1991 | US5028915 Device for controlling a display with a plurality of strings of light-emitting elements |
| 07/02/1991 | US5028031 Sign and flag holder |
| 06/27/1991 | WO1991009459A1 Display board provided with a regulated power supply |
| 06/27/1991 | WO1991009414A1 Luminous panel display device |
| 06/27/1991 | WO1991009412A1 Glass plate illumination device sign with integral electrodes |
| 06/27/1991 | WO1991009253A1 Method for illuminating traffic fairways and illumination |
| 06/27/1991 | DE4033528A1 Solar energy assembly - is digitised in modules with direct conversion of light into energy in automated process |
| 06/25/1991 | US5027258 Display unit |
| 06/25/1991 | US5027041 Integrated radio-frequency light source for large scale display |
| 06/20/1991 | DE3941653A1 Map reading aid incorporating notch in transparent wedge - with roughening or matt finish to facets through which light enters from lamp at broad end |
| 06/19/1991 | EP0432930A2 Electroluminescent lamp panel |
| 06/19/1991 | CN2079138U Direction board on roll curtain |
| 06/18/1991 | US5025355 Combination lighting fixture and graphic display means |
| 06/13/1991 | WO1991008562A1 Fastening system for fastening boards, particularly illuminated advertising signs |
| 06/11/1991 | US5023451 Indicia contrast enhancement for vehicle borne infrared vision system |
| 06/11/1991 | US5022627 Sign projecting from vertical walls or horizontal beams |
| 06/06/1991 | DE3939961A1 Number plate for house - has figure-eight profiled panels in transparent wall accommodating small cover plates |
| 06/05/1991 | CN2078512U Face-luminescent indicating lamp |
| 06/04/1991 | US5021773 Fibre optic display device |
| 06/04/1991 | US5020882 Electro-optic animated displays and indicators |
| 06/04/1991 | US5020466 Triangular-shaped panels |
| 06/04/1991 | US5020256 Escalator advertising |
| 06/04/1991 | US5020254 Illuminated sign system having tensioning means |
| 06/04/1991 | US5020253 Display board assembly |
| 06/04/1991 | US5020252 Illuminated sign system |
| 05/29/1991 | CN1051809A Display device |
| 05/28/1991 | US5018290 Exit sign |
| 05/15/1991 | CN2077148U Electroluminescence display screen |
| 05/14/1991 | US5016143 Illuminating system |
| 05/14/1991 | US5015999 Display unit |
| 05/14/1991 | US5014862 Assembly for cantilevered display header |
| 05/08/1991 | EP0426242A1 Advertising system with deflector |
| 05/04/1991 | CA2027149A1 Combination lighting fixture and graphic display means |
| 05/02/1991 | EP0425371A1 Method of manufacture of a fibre-optic image enlargement module for display panels |
| 05/02/1991 | EP0424757A2 Device for coupling of light beams into a transparent body |
| 05/01/1991 | CN2076262U Miniature safety reflection mark |
| 05/01/1991 | CN2076261U Sonic electric-level display |
| 05/01/1991 | CA2028237A1 Structure for a signal reflector |
| 04/30/1991 | CA2012519A1 Sign board |