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Bobbie D. Stone

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  • Ballwin, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for zone refining
    • Patent number 4,201,746
    • Issue date May 6, 1980
    • Monsanto Company
    • John W. Burd
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Apparatus for zone refining
    • Patent number 4,045,181
    • Issue date Aug 30, 1977
    • Monsanto Company
    • John W. Burd
    • C30 - CRYSTAL GROWTH