|
| US3943375 | 23. Dez. 1974 | 9. März 1976 | GTE Sylvania Incorporated | On-off switch with time delay |
| US4005334 | 12. Febr. 1974 | 25. Jan. 1977 | | Electric incandescent lamp combination fixture device |
| US4386296 | 19. Dez. 1980 | 31. Mai 1983 | General Electric Company | Fluorescent light unit with dual light levels |
| US4544861 | 11. Apr. 1983 | 1. Okt. 1985 | Certified Energy Systems, Inc. | Rectifier housing for use with light bulbs |
| US4549116 | 26. Juni 1981 | 22. Okt. 1985 | | Electric energy saving two-position combination switching device |
| US4570107 | 21. Dez. 1983 | 11. Febr. 1986 | | Lighting control device |
| US4617496 | 25. Juli 1985 | 14. Okt. 1986 | | Warm-up circuit with timed shut-off of the warm-up current |
| US4835406 | 29. Jan. 1987 | 30. Mai 1989 | | Switching device |
| US4868460 | 4. Jan. 1988 | 19. Sept. 1989 | | Transformer dimmer circuit |
| US5113044 | 17. Juni 1991 | 12. Mai 1992 | | One-way/three-way light socket |
| US7234973 | 23. März 2006 | 26. Juni 2007 | | Lighting system having modified light bulb base and luminare socket for preventing the selection of an over wattage light bulb and method of forming same |
| US8067893 | 28. Okt. 2008 | 29. Nov. 2011 | | Intelligent light fixture facilitating universal light bulb |
| US8180722 | 30. Sept. 2004 | 15. Mai 2012 | Avaya Inc. | Method and apparatus for data mining within communication session information using an entity relationship model |
