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ER•6 Isolator is a trademark of Etymotic Research, Inc. The ER•6 Isolator Earphones are covered by one or more of the following U.S. patents: #4,677,679, #4,763,753, #5,887,070 and other patents pending. |
The IFB Source 301-754-2871 or Marty@IFBSource.com
The IFB Source is a division of ATS Communications