Patents for F21V 11 - Screens not covered by groups , , or (4,937)
10/1979
10/31/1979EP0005080A1 Spotlight lantern projection system
10/30/1979US4173034 Lighting system with baffle
10/17/1979EP0004788A1 Apparatus for irradiating an elongated surface
10/09/1979CA1064089A1 Rectangular headlamp filament shield
09/1979
09/11/1979CA1062221A1 Electric spot-lamp
09/05/1979EP0003940A1 Headlight for a motor vehicle
09/04/1979US4166699 Device for optic, preferably visual determination of a certain plane
08/1979
08/28/1979CA1061305A1 Baffle assembly and a grid for overhead illuminator
08/09/1979WO1979000519A1 Projector for an automobile vehicle headlight
05/1979
05/22/1979CA1054991A1 Shutter system for stage-lighting spotlights
04/1979
04/18/1979EP0001403A1 Medical lighting device, particularly for dental purposes
02/1979
02/27/1979US4142229 Method of shaping a lamp beam
02/27/1979US4142227 Combination passenger reading light and air ventilator
01/1979
01/16/1979US4135231 Surgical light assembly
01/09/1979US4133160 Light reflecting and shielding modules for suspended ceilings and accessories therefor
12/1978
12/12/1978CA1044202A1 High output low brightness ventilated luminaire
10/1978
10/24/1978US4122511 Lamp-shade for tubular lamps
08/1978
08/01/1978US4104709 Surgeons headlight with continuously variable spot size
07/1978
07/25/1978US4103322 Lighting device
07/11/1978US4100594 Suppression of color fringing in lamps
02/1978
02/14/1978US4074124 Illumination apparatus for simulating night, dawn and morning, mid-day and afternoon and dusk natural light conditions
01/1978
01/31/1978US4071883 Multi-purpose laboratory light box
01/24/1978US4070569 Collapsible and portable ribbon louver attachment for lights to limit the lateral distribution of light
11/1977
11/22/1977US4059754 Louver for light distribution
11/15/1977US4058749 Filament shield for sealed headlamp and mounting method therefor
08/1977
08/30/1977US4045680 Shielding arrangement for a rod shaped uv radiator
08/09/1977US4040725 Display illuminating structure
06/1977
06/14/1977US4029985 Rectangular headlamp filament shield
05/1977
05/10/1977US4021985 Illuminator grids and method of forming baffles therefor
04/1977
04/26/1977US4020338 Auto headlight lens shield
04/19/1977US4018527 Apparatus for controlling the movements of printing filters
02/1977
02/01/1977US4006355 Luminaire
12/1976
12/21/1976US3999056 Headlight
07/1976
07/27/1976US3971929 Safelight filter
07/20/1976US3969870 Baffle assembly and illuminator grid
04/1976
04/06/1976US3949214 Vehicle lamp assembly
03/1976
03/02/1976US3940896 Solar radiation and glare screen and method of making same
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