TREA

Bruce W. Dunnington

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  • Lyndell, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasive drill
    • Patent number 4,203,262
    • Issue date May 20, 1980
    • The Glennel Corporation
    • Bruce W. Dunnington
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Abrasive drill
    • Patent number 4,128,971
    • Issue date Dec 12, 1978
    • Glennel Corporation
    • Bruce W. Dunnington
    • B28 - WORKING CEMENT, CLAY, OR STONE