| Patents for F21V 17 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages (37,341) |
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| 01/31/1978 | US4071749 Self-contained maintenance-free emergency lighting |
| 01/03/1978 | US4065890 Framework joint |
| 12/27/1977 | US4065667 Indirect lighting fixture including improved reflector |
| 12/06/1977 | US4061422 Light reflecting casing |
| 11/22/1977 | US4059564 Method of applying an integral sealing member |
| 11/01/1977 | USRE29462 Luminous outdoor sign board resistant to inclement weather |
| 10/18/1977 | US4054792 Lamp |
| 10/11/1977 | US4053761 Decorative item |
| 08/30/1977 | US4045665 Diffuser attachment for a fluorescent lamp fixture |
| 08/02/1977 | US4039822 Circular recessed lighting fixture |
| 08/02/1977 | US4039820 Watertight lamp fixture |
| 07/19/1977 | US4037096 Illuminator apparatus using optical reflective methods |
| 07/05/1977 | US4034217 Optical device for lighting apparatus, with a plurality of combined reflectors |
| 06/21/1977 | US4031382 Luminaire assembly |
| 05/10/1977 | US4023031 Luminaire |
| 05/03/1977 | US4021660 Light fixture |
| 04/19/1977 | US4019044 Lighting fixture with removable electrical component mounting arrangement |
| 03/29/1977 | US4015113 Apparatus for varying intensity of light |
| 02/08/1977 | US4007365 Lighting fixture with tiltable reflector elements |
| 02/01/1977 | US4006377 Filter attachment for parabolic reflector lamps |
| 01/04/1977 | US4001572 Dustproof and airtight luminaires |
| 11/16/1976 | US3991905 Hinged cover for outdoor lamp case |
| 10/12/1976 | US3986019 Lighting fixture |
| 09/28/1976 | US3983387 Concealed, spring-loaded, slide hinge for luminaire door |
| 08/10/1976 | US3974418 Fluorescent lamp unit with ballast resistor and cooling means therefor |
| 08/10/1976 | US3974373 Lamp fixture |
| 07/13/1976 | US3969622 Socket locking structure |
| 07/06/1976 | US3968358 Warning light assembly |
| 06/29/1976 | US3966308 Device for reflecting radiant energy |
| 06/01/1976 | US3961174 Warning light apparatus for industrial vehicle use |
| 05/18/1976 | US3957356 System for simulating missile target motion using steering mirrors |
| 05/11/1976 | US3955702 Enclosed box-like housings |
| 03/16/1976 | US3944809 Luminaire with mounting means |
| 03/09/1976 | US3943355 Luminaire latch and hinge |
| 03/09/1976 | US3942879 Mirror steering system |
| 02/24/1976 | US3940521 Christmas tree ornament |
| 02/17/1976 | US3939337 Vehicle lamp construction |
| 02/17/1976 | US3939225 Addition copolymer |
| 02/03/1976 | US3936668 Apparatus for viewing the underside of vehicles |
| 01/20/1976 | US3934135 Fluorescent lamp fixture |
| 01/06/1976 | US3931511 Vehicle headlamps |