Number | Name | Date | Kind |
---|---|---|---|
D. 192878 | Muller | May 1962 | |
D. 300471 | Szymanek | Mar 1989 | |
D. 333530 | Szymanek | Feb 1993 | |
D. 404161 | Herst et al. | Feb 2000 | |
D. 432255 | Fahmian | Jul 2000 | |
4698733 | Griffin | Oct 1987 | |
5171085 | Jaksich | Dec 1992 |
Entry |
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Lighting magazine, Feb. 1959, p. 29, MUS fluorescent lamp. |
Number | Date | Country | |
---|---|---|---|
Parent | 29/119799 | Mar 2000 | US |
Child | 29/127867 | US |