Number | Name | Date | Kind |
---|---|---|---|
D236023 | Zelina | Jul 1975 | |
729906 | Stein | Jun 1903 | |
2347174 | Cross et al. | Apr 1944 | |
2927311 | Donaldson | Mar 1960 |
Entry |
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Light & Lighting, Aug. 1970, p. 221 - Portable Fluorescent Emergency Light. |
Premium Practice, Apr. 1968, p. 41 - Case. |