| Patents for F21V 21 - Supporting, suspending, or attaching arrangements for lighting devices; Hand grips (36,705) |
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| 03/18/1980 | US4194237 Leveling plate and method of utilizing same |
| 03/18/1980 | US4193571 Suspension system |
| 03/18/1980 | CA1073627A1 Suspension ceiling and recessed lighting system |
| 03/04/1980 | US4191352 Rotatably installed suspension clip |
| 03/04/1980 | CA1072932A1 Luminaire |
| 03/04/1980 | CA1072931A1 Lighting apparatus |
| 02/26/1980 | US4190881 Crossarm assembly for high intensity discharge luminaries |
| 02/26/1980 | US4190309 Track light |
| 02/12/1980 | US4188658 Adjustable support for portable lamp |
| 02/12/1980 | US4188656 Light frame adapter |
| 01/29/1980 | US4186429 Flashing light safety device for cyclists helmets |
| 01/22/1980 | CA1070281A1 Fluorescent tube lighting fixture |
| 01/08/1980 | US4182532 Vehicle roof support member |
| 01/01/1980 | US4181929 Portable illuminating tower |
| 01/01/1980 | CA1069100A Lamp-moving device |
| 12/25/1979 | US4180850 Retractable light fixture |
| 12/25/1979 | US4180849 Pedal cycle headlamp |
| 12/25/1979 | CA1068661A Environmentally sealed lighting fixture |
| 12/11/1979 | CA1067873A1 Wall mounted hinged base |
| 11/13/1979 | US4174532 Portable lighting fixture |
| 11/06/1979 | US4173382 Portable track lighting |
| 10/30/1979 | US4173035 Tape strip for effecting moving light display |
| 10/30/1979 | CA1065292A1 Cam operated toggle for securing a light fixture or the like to a tube |
| 10/02/1979 | CA1063574A1 Mounting device for lights |
| 09/25/1979 | CA1063078A1 Lighting system for suspended ceiling |
| 09/19/1979 | EP0004234A2 Lighting fixture and process for manufacturing a reflecting surface therefor |
| 09/18/1979 | CA1062677A1 Portable telescopic warning lamp |
| 09/04/1979 | US4167034 Lampstand for lampshade |
| 09/04/1979 | US4167033 Luminaire mounting device |
| 09/04/1979 | CA1061758A1 Electrically illuminated finger ring |
| 08/21/1979 | US4165530 Articulated-arm supporting member, especially for lamps |
| 08/14/1979 | US4164784 Adjustable illuminating device |
| 08/14/1979 | US4164783 Sport light and ballast module |
| 08/14/1979 | CA1060410A1 Flashlight having a magnet-switch combination |
| 08/07/1979 | US4164009 Light fixture |
| 08/07/1979 | US4163576 Means for suspending articles from a ceiling |
| 08/07/1979 | CA1059963A1 Remote controlled searchlight |
| 07/31/1979 | US4162779 Outlet box mounting device |
| 07/31/1979 | CA1059484A1 Adjustable luminaire mounting arrangement |
| 07/17/1979 | CA1058594A1 Modular block fluorescent lamp suspension system |
| 07/17/1979 | CA1058592A1 Baseless lamp |
| 07/10/1979 | US4160536 Counterbalanced arm |
| 07/03/1979 | US4160285 Point locating apparatus |
| 07/03/1979 | CA1057717A1 Focusing device for sealed type multi-lamp for obtaining shadowless illumination |
| 06/26/1979 | US4159157 Molded electrical lamp socket and method of construction |
| 06/12/1979 | US4158222 Limited visibility signal device |
| 05/29/1979 | CA1055458A1 Sectional lighting fixture with individual plug and socket members |
| 05/22/1979 | US4156272 Mounting bracket for light fixture |
| 05/15/1979 | USRE30000 Multiple stage extensible boom |
| 05/08/1979 | US4153926 Cyclic illumination device |
| 05/01/1979 | US4152757 Terminal structure for outdoor luminaire |
| 05/01/1979 | CA1053635A1 Adapter for mounting lighting fixtures |
| 04/24/1979 | CA1053358A1 Christmas lights holder |
| 04/17/1979 | CA1052757A1 Counterbalanced arm assemblies and equapoised lamp |
| 04/10/1979 | US4149230 Visual latching condition indicating system for tall pole carrier assembly |
| 03/27/1979 | CA1051405A1 Suspended fixture assembly |
| 03/06/1979 | US4143413 Luminaire mounting arrangement |
| 03/06/1979 | US4143411 Architectural lighting apparatus |
| 03/06/1979 | US4142703 Bracket assembly |
| 02/27/1979 | US4142227 Combination passenger reading light and air ventilator |
| 02/27/1979 | US4142173 Mounting bracket assembly for traffic signals and pedestrian signal units |
| 02/27/1979 | CA1049474A1 Outdoor lamp case |
| 02/13/1979 | US4139884 Luminaire lowering device |
| 02/06/1979 | US4138716 Lighting fixture enclosure |
| 02/06/1979 | US4138713 Light fixture |
| 02/06/1979 | US4138080 Hermetically self sealing gasket for high vacuum fasteners |
| 01/23/1979 | US4135692 Hanger device |
| 01/16/1979 | US4135231 Surgical light assembly |
| 12/19/1978 | US4130858 Lamp-moving device |
| 12/19/1978 | US4130185 Pole vibration damper |
| 12/19/1978 | CA1044674A1 Fluorescent lamp fixture having biasing means used in the mounting of the lamp fixture |
| 12/12/1978 | US4129900 Apparatus for lighting with fluorescent tubes of automatic fixing and connection |
| 12/12/1978 | US4129899 Flashlight with a rotatable lamp holder |
| 12/05/1978 | US4128863 Stowable decorative lights |
| 12/05/1978 | US4128226 Extension light assembly |
| 11/14/1978 | US4125889 Transportation arrangement with spotlight projectors for illuminating trunnions of a molten iron ladle |
| 10/17/1978 | US4121280 Articulated light fixture |
| 10/17/1978 | CA1040606A1 Coupling device for electrical fixture |
| 10/10/1978 | US4120023 Lens closure for sports light fixture |
| 10/10/1978 | CA1040175A1 Pole and device for raising and lowering lighting fixtures thereon |
| 10/03/1978 | US4118766 Fluorescent light fixture |
| 10/03/1978 | US4118762 Ornamental light arrangement |
| 10/03/1978 | US4118760 Adjustable hanger for electric lights |
| 10/03/1978 | US4118215 Electric current |
| 10/03/1978 | CA1039703A1 Holder for trouble lamp |
| 09/26/1978 | US4117535 Light fittings |
| 09/26/1978 | CA1039375A1 Self-contained fluorescent lamp fixture |
| 09/19/1978 | US4115845 Automatic locking and support device for high mast lighting structure |
| 09/19/1978 | US4114327 Light fixture support |
| 09/12/1978 | US4112550 Suspended ceiling hook |
| 09/05/1978 | US4112486 Remotely controlled positioning device for illuminating unit and the like |
| 09/05/1978 | US4111562 Hydraulic gimbal system for beam projection lamps |
| 08/22/1978 | US4109305 Relocatable suspended light fixture |
| 08/22/1978 | US4108560 Sign mounting fastener |
| 08/22/1978 | US4108523 Electrified channel, equipped with a snap-acting connector |
| 08/15/1978 | USRE29735 Rotational lighting system |
| 08/15/1978 | US4107769 Balanced single horizontal suspension arm |
| 08/15/1978 | US4107767 Flexible lighting strip |
| 07/04/1978 | US4099223 Lighting fixture arrangement |
| 06/27/1978 | US4097918 Illuminated space dividing wall panel system |