TREA

David A. Barnes

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  • Jacksonville, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous heat exchanger forming method
    • Patent number 5,896,659
    • Issue date Apr 27, 1999
    • American Standard Inc.
    • David A. Barnes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Continuous heat exchanger forming apparatus
    • Patent number 5,737,828
    • Issue date Apr 14, 1998
    • American Standard Inc.
    • David A. Barnes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...