TREA

Albert P. Westra

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  • Sparks, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Insulated concrete wall
    • Patent number 6,351,918
    • Issue date Mar 5, 2002
    • Albert P. Westra
    • E04 - BUILDING
  • Information Patent Grant

    Insulated concrete wall
    • Patent number 6,079,176
    • Issue date Jun 27, 2000
    • Albert P. Westra
    • E04 - BUILDING

Patents Applicationslast 30 patents