TREA

Christian R. Newkirk

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  • McHenry, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Housing assembly
    • Patent number 5,927,043
    • Issue date Jul 27, 1999
    • Christian R. Newkirk
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Housing assembly
    • Patent number 5,881,519
    • Issue date Mar 16, 1999
    • Christian R. Newkirk
    • B28 - WORKING CEMENT, CLAY, OR STONE