Number | Name | Date | Kind |
---|---|---|---|
3396307 | Campell | Aug 1968 | |
3546571 | Fletcher et al. | Dec 1970 | |
3703677 | Farrow | Nov 1972 | |
4613841 | Roberts | Sep 1986 | |
5349270 | Roll et al. | Sep 1994 |
Number | Date | Country |
---|---|---|
1 171 089 | Jan 1959 | FRX |
Entry |
---|
"Circuits and Applications for Portable and Emergency Lighting Using Fluorescent Lamps," JH Campbell, QD Dobras, Transaction IES, Jan. 1967, pp. 43-51. |