TREA

Gavin G. Spence

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  • New Castle County, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic pigments
    • Patent number 4,483,959
    • Issue date Nov 20, 1984
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,469,555
    • Issue date Sep 4, 1984
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,456,724
    • Issue date Jun 26, 1984
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,434,267
    • Issue date Feb 28, 1984
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,426,483
    • Issue date Jan 17, 1984
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,414,353
    • Issue date Nov 8, 1983
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,404,310
    • Issue date Sep 13, 1983
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,403,063
    • Issue date Sep 6, 1983
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,403,062
    • Issue date Sep 6, 1983
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,369,292
    • Issue date Jan 18, 1983
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,353,818
    • Issue date Oct 12, 1982
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,349,641
    • Issue date Sep 14, 1982
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,348,257
    • Issue date Sep 7, 1982
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,343,729
    • Issue date Aug 10, 1982
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,311,809
    • Issue date Jan 19, 1982
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,293,667
    • Issue date Oct 6, 1981
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,293,666
    • Issue date Oct 6, 1981
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,282,060
    • Issue date Aug 4, 1981
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,281,082
    • Issue date Jul 28, 1981
    • Hercules Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic pigments
    • Patent number 4,235,982
    • Issue date Nov 25, 1980
    • Hercules, Incorporated
    • William W. Maslanka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Paper coated with binder and organic pigment particles
    • Patent number 4,196,253
    • Issue date Apr 1, 1980
    • Hercules Incorporated
    • Gavin G. Spence
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE