TREA

Charles R. Haas

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  • Downingtown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    String line weight
    • Patent number 6,360,445
    • Issue date Mar 26, 2002
    • Charles R. Haas
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    String line roller
    • Patent number 6,341,743
    • Issue date Jan 29, 2002
    • Charles R. Haas
    • B44 - DECORATIVE ARTS