TREA

Harry P. Van Roeyen

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  • Skokie, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasive article
    • Patent number 4,397,325
    • Issue date Aug 9, 1983
    • Barristo, Ltd.
    • Harry P. Van Roeyen
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method of manufacturing abrasive articles
    • Patent number 4,369,098
    • Issue date Jan 18, 1983
    • Barristo, Ltd.
    • Harry P. Van Roeyen
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR