TREA

James Barthel

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  • Elk River, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Block forming method
    • Patent number 7,341,685
    • Issue date Mar 11, 2008
    • ReCon Wall Systems, Inc.
    • Stanley W. Hamilton
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Blocks and block forming apparatus and method
    • Patent number 6,829,867
    • Issue date Dec 14, 2004
    • ReCon Wall Systems, Inc.
    • Michael J. Gresser
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Block forming apparatus and method
    • Patent number 6,620,364
    • Issue date Sep 16, 2003
    • ReCon Wall Systems, Inc.
    • Michael J. Gresser
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Brick imprinting apparatus
    • Patent number 5,318,426
    • Issue date Jun 7, 1994
    • Fabcon, Inc.
    • David W. Hanson
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents