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| 5562343 | Chan et al. | Oct 1996 | A |
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| 5673997 | Akiyama | Oct 1997 | A |
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| Number | Date | Country |
|---|---|---|
| 0 561 483 | Sep 1993 | EP |
| 0 660 036 | Jun 1995 | EP |
| 1024000 | Mar 1996 | GB |
| Entry |
|---|
| Progress Lighting, PRO-OPTIC™. |
| Progress Lighting, P632-EB. |
| Progress Lighting, P87-AT. |
| Progress Lighting, Product Catalog, 262-280. |