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Portable personal emergency warning system

  • US 20050174233A1
  • Filed: 02/09/2005
  • Published: 08/11/2005
  • Est. Priority Date: 02/09/2004
  • Status: Abandoned Application
First Claim
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1. A portable personal emergency warning system comprising a. an emergency tone b. an emergency tone transmitter, and c. an emergency tone receiver.

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