Hänvisningar finns i följande patent|
| USD397479 | 21 jan 1997 | 25 aug 1998 | Precision Architectural Lighting,Inc. | Indirect light fixture | | USD399329 | 21 jan 1997 | 6 okt 1998 | Precision Architectural Lighting | Indirect light fixture | | USD399587 | 21 jan 1997 | 13 okt 1998 | Precision Architectural Lighting | Indirect light fixture |
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