TREA

Donald P. Shell

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  • Knoxville, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building structure method
    • Patent number 4,442,639
    • Issue date Apr 17, 1984
    • Stanley D. Lindsey
    • E04 - BUILDING
  • Information Patent Grant

    Building structure
    • Patent number D270949
    • Issue date Oct 11, 1983
    • Comunity Tectonics, Inc.
    • William S. Denton
    • D25 - Building units and construction elements