TREA

Ralph E. Charlton

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  • Manhattan, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cockroach attractant
    • Patent number 5,505,951
    • Issue date Apr 9, 1996
    • Wendell L. Roelofs
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cockroach attractant
    • Patent number 5,296,220
    • Issue date Mar 22, 1994
    • Wendell L. Roelofs
    • C07 - ORGANIC CHEMISTRY