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Electronically Detectable Display and Monitoring System

  • US 20090108991A1
  • Filed: 10/31/2008
  • Published: 04/30/2009
  • Est. Priority Date: 10/31/2007
  • Status: Abandoned Application
First Claim
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1. An electronically detectable display comprising:

  • a body having a first state and a second state;

    an electronically detectable node; and

    a signal blocking means for preventing detection of the electronically detectable node when the body is in the first state.

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