TREA

Worldwide Chimney, Inc.

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  • Eden Prairie, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chimney lining former and compactor
    • Patent number 5,362,224
    • Issue date Nov 8, 1994
    • Worldwide Chimney, Inc.
    • George A. Hasti
    • B28 - WORKING CEMENT, CLAY, OR STONE