TREA

Matthew J. Roberts

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  • Palatine, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directional microphone assembly
    • Patent number 6,831,987
    • Issue date Dec 14, 2004
    • Etymotic Research, Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone assembly
    • Patent number 6,567,526
    • Issue date May 20, 2003
    • Etymotic Research, Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone assembly
    • Patent number 6,285,771
    • Issue date Sep 4, 2001
    • Etymotic Research Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone assembly
    • Patent number 6,134,334
    • Issue date Oct 17, 2000
    • Etymotic Research Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone assembly
    • Patent number 6,075,869
    • Issue date Jun 13, 2000
    • Etymotic Research, Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Directional microphone assembly
    • Patent number 5,878,147
    • Issue date Mar 2, 1999
    • Etymotic Research, Inc.
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Directional microphone assembly
    • Publication number 20030198359
    • Publication date Oct 23, 2003
    • Mead C. Killion
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE