Patents for G09F 13 - Illuminated signs; Luminous advertising (20,048)
08/1978
08/29/1978US4110792 Mobile information display system
08/29/1978CA1037446A1 Audio to video conversion system
08/22/1978US4108560 Sign mounting fastener
08/15/1978CA1036353A1 Animated sign
08/08/1978US4104981 Indicator using changeable path through transparent material
07/1978
07/25/1978US4103060 Glass microspheres, binders, softening
07/18/1978US4101884 Visual display with magnetic overlay
06/1978
06/27/1978US4097632 Product for constructing three-dimensional sign character
06/27/1978US4096656 Lighted message board construction
06/20/1978US4096550 Illuminating arrangement for a field-effect liquid-crystal display as well as fabrication and application of the illuminating arrangement
06/06/1978US4093534 Dispersion of opaque dielectric material with adsorbed compound
05/1978
05/09/1978US4088881 Lighting fixture
04/1978
04/25/1978US4085533 Device for producing aesthetic effects
04/18/1978US4084339 Illuminated display apparatus
04/11/1978US4083631 Animated visual effect adaptor for gated still picture projectors
04/04/1978US4082949 Variable intensity fluorescent display
04/04/1978US4082426 Retroreflective sheeting with retroreflective markings
03/1978
03/28/1978US4080747 Display device
03/07/1978USRE29566 Foldable emergency reflecting device
03/07/1978US4077146 Simulated neon display device
02/1978
02/28/1978US4076386 Segmented electrochromic display general
02/28/1978US4075775 Light diffuser and illuminating ceiling display
02/21/1978US4074452 Knockdown lighting boxes and means for clamping the front panels thereof
01/1978
01/31/1978US4071883 Multi-purpose laboratory light box
01/31/1978US4071726 Electrical switch having actuator light transmissive region, intermediate lens and light source
01/31/1978US4070779 Display sign
01/31/1978US4070777 Bubbler display device and method of making same
01/10/1978US4067130 Sign board casing
01/10/1978US4067129 Display apparatus having means for creating a spectral color effect
01/10/1978US4067128 Taxi indicator
01/03/1978US4065865 Device for visually displaying luminous patterns
12/1977
12/20/1977US4064555 Gasoline pump modification apparatus
12/06/1977US4060919 Data retrieving device
11/1977
11/15/1977US4057921 Decorative device
11/08/1977US4057730 Chart viewer
11/01/1977USRE29462 Luminous outdoor sign board resistant to inclement weather
10/1977
10/25/1977US4055377 Magnetically orientable retroreflectorization particles
10/25/1977US4055014 Lighted greeting cards
10/11/1977US4052806 Display device with adjustable attachment means
09/1977
09/20/1977US4048739 Visual display with backlighting
09/06/1977US4045895 Display sign
08/1977
08/16/1977US4042919 Illuminated sign and high intensity warning device
08/16/1977US4042854 Flat panel display device with integral thin film transistor control system
08/16/1977US4041629 Signal device
08/09/1977US4040725 Display illuminating structure
08/02/1977US4039250 Device for signal transmission by means of optical conductors
07/1977
07/26/1977US4037341 Luminaire for lighting a sign and method
07/19/1977US4035941 Audio-visual display device
07/19/1977US4035939 Lighting system for selective back lighting
07/12/1977US4035774 Bistable electroluminescent memory and display device
07/12/1977US4035632 Fixture system
07/12/1977US4034494 Holiday light
07/12/1977US4034493 Fluid novelty device
07/12/1977US4034491 Model blimp
06/1977
06/14/1977US4028828 Lighting display system
06/07/1977US4027411 Microfiche marking system
05/1977
05/31/1977US4026635 Indicator for displaying text or symbols on small surfaces
05/24/1977US4025674 Reflex light reflecting sheet
05/24/1977US4024658 Three dimensional character
05/17/1977US4023888 Flashing retroreflecting device
05/10/1977US4021951 Film strip carriers
05/10/1977US4021949 Illuminated sign system
05/10/1977US4021944 Display device with orbitally movable plates
04/1977
04/26/1977US4020203 Luminous marking in an indentation of an object
04/19/1977US4019196 Indicating element and method of manufacturing same
04/19/1977US4017992 Decorative sheet
04/12/1977US4016665 Signboard using marcromolecular elastomer having adhesive layer
04/05/1977US4016534 Indicator device for automobiles
04/05/1977US4016450 Phosphorescent display system
04/05/1977US4016309 Method for treating printed paper sheets for illuminated display
03/1977
03/29/1977US4015166 X-Y matrix type electroluminescent display panel
03/15/1977US4012632 Discrete function advisory illumination
03/01/1977US4009535 Illuminated house number sign
02/1977
02/22/1977US4008949 Protective reflective helmet
02/15/1977US4007552 Extruded aluminum sign frame system
02/08/1977US4007396 Light emissive diode displays
02/08/1977US4006970 Laser light image generator
02/08/1977US4006546 Back-lighted display arrangement
02/01/1977US4006476 Changeable display apparatus
02/01/1977US4006383 Electroluminescent display panel with enlarged active display areas
02/01/1977US4005538 Internally illuminated retroreflective signs
01/1977
01/25/1977US4004360 Self-masking X-ray viewing apparatus
01/18/1977US4003151 Test plate reader
01/11/1977US4003040 Flashing address-indicating door sign
01/11/1977US4001959 Rotary picture frame
01/04/1977US4001810 Sequence reversing border light display
12/1976
12/21/1976US3997991 Display device
12/07/1976US3995940 Luminous display device
11/1976
11/30/1976US3995152 Electrical lighting structure built-in a molded plastic cord or cable
11/30/1976US3994086 Reflex light reflector
11/23/1976US3993401 Retroreflective material including geometric fresnel zone plates
11/09/1976US3990166 Illuminated display apparatus having spring actuated switch
10/1976
10/19/1976USRE29006 Display device
10/19/1976US3987401 Indicating system using multicolor light emitting diodes
10/12/1976US3984931 Illuminated overhead advertising display
10/05/1976US3983652 Illuminated display having remote light source
09/1976
09/28/1976US3983550 Aural-visual product display
09/28/1976US3982345 Display device with flexible face
09/21/1976US3981557 Light retroreflective system for sign surfaces
09/07/1976US3978600 Photo-light frame