|
| US4176265 | 27 déc. 1977 | 27 nov. 1979 | General Motors Corporation | Illuminated electric switches |
| US4221945 | 16 févr. 1979 | 9 sept. 1980 | General Motors Corporation | Illuminated electric switches |
| US7972033 | 15 déc. 2008 | 5 juil. 2011 | Shenzhen Futaihong Precision Industry Co., Ltd. FIH (Hong Kong) Limited | Indicator light |