Number | Name | Date | Kind |
---|---|---|---|
D321857 | Blaisdell et al. | Nov 1991 | |
D362733 | Murata | Sep 1995 | |
4399390 | Oshita et al. | Aug 1983 | |
4495443 | Cummings | Jan 1985 | |
4713019 | Gaynor | Dec 1987 | |
4739454 | Federgreen | Apr 1988 | |
4936789 | Ugalde | Jun 1990 | |
5320548 | Schadhauser | Jun 1994 | |
5390096 | DeKleine et al. | Feb 1995 | |
5759054 | Spadafore | Jun 1998 |
Number | Date | Country |
---|---|---|
466808 | Jan 1947 | CAX |
Entry |
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Rea, Mark S., Ph.D. Fies, Lighting Handbook, 8.sup.th ed., reprinted 1995, Illuminating Engineering Society of North America, New York, pp. 197-217. |