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BOOK THAT CAN BE READ AS A SHADOW

  • US 20160046141A1
  • Filed: 08/14/2015
  • Published: 02/18/2016
  • Est. Priority Date: 08/15/2014
  • Status: Abandoned Application
First Claim
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1. A book, the book comprising:

  • at least one page containing at least one light window.

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