TREA

Kelley; Thomas J.

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  • Bay Village, OH, US
  • Mailing Address
    425 PIKE STREET SEATTLE WA 98101
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound barrier
    • Patent number 4,643,271
    • Issue date Feb 17, 1987
    • Kelley; Thomas J.
    • David E. Coburn
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES