TREA

Michael E. Hartman

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Container opening tool
    • Patent number D428783
    • Issue date Aug 1, 2000
    • Pioneer Hi-Bred International, Inc.
    • Cyrille J. Precetti
    • D08 - Tools and hardware
  • Information Patent Grant

    Scaleable static sample divider
    • Patent number 5,979,252
    • Issue date Nov 9, 1999
    • Pioneer Hi-Bred International, Inc.
    • Cyrille J. Precetti
    • G01 - MEASURING TESTING