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Systems and methods for color changing device and enclosure

  • US 20050047132A1
  • Filed: 08/06/2004
  • Published: 03/03/2005
  • Est. Priority Date: 08/26/1997
  • Status: Active Grant
First Claim
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1. A color-changing device, comprising:

  • an enclosure including at least a piece of material which is to be illuminated; and

    an illumination device, disposed within the enclosure, to illuminate said material, the illumination device capable of generating at least two colors.

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