TREA

Dale A. Kiefer

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  • Pacific Palasades, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wave suppressor
    • Patent number D319284
    • Issue date Aug 20, 1991
    • Jack K. Kiefer
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Wave suppression means
    • Patent number 4,894,873
    • Issue date Jan 23, 1990
    • Jack K. Kiefer
    • E04 - BUILDING