TREA

Joseph A. Welzen

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  • Los Alamitos, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Core strip for honeycomb core panels
    • Patent number 4,471,013
    • Issue date Sep 11, 1984
    • TRE Corporation
    • Joseph A. Welzen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Stenotype tape marking attachment
    • Patent number 4,176,973
    • Issue date Dec 4, 1979
    • Stephen A. Gregory
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS