TREA

Charles A. Gaputis

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  • Hyde Park, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Etchant and process
    • Patent number 4,144,119
    • Issue date Mar 13, 1979
    • Oleh B. Dutkewych
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Etchant and process of etching with the same
    • Patent number 4,130,454
    • Issue date Dec 19, 1978
    • Oleh B. Dutkewych
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Metal plating solution
    • Patent number 3,977,884
    • Issue date Aug 31, 1976
    • Shipley Company, Inc.
    • Michael Gulla
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...