TREA

Benjamin T. Fellows

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transparent alumina microspheres
    • Patent number 4,837,069
    • Issue date Jun 6, 1989
    • Minnesota Mining and Manufacturing Company
    • Terrance L. Bescup
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Durable glass elements
    • Patent number 4,367,919
    • Issue date Jan 11, 1983
    • Minnesota Mining and Manufacturing Company
    • Chi F. Tung
    • C03 - GLASS MINERAL OR SLAG WOOL