Hänvisningar finns i följande patent|
| US6145996 | 6 mar 1998 | 14 nov 2000 | Shimada Enterprises, Inc. | Theater lighting system | | US6199999 | 1 dec 1998 | 13 mar 2001 | The Science Place | Lighting system for theater seating | | US6213622 | 22 jan 1999 | 10 apr 2001 | Shimada Enterprises, Inc. | Step lighting for theaters and the like |
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