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Donald E. Hipchen

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  • Seminole, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a foam structural laminate
    • Patent number 4,386,983
    • Issue date Jun 7, 1983
    • The Celotex Corporation
    • Donald E. Hipchen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Structural laminate and method for making same
    • Patent number 4,346,133
    • Issue date Aug 24, 1982
    • The Celotex Corporation
    • Donald E. Hipchen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Structural laminate and method for making same
    • Patent number RE30984
    • Issue date Jun 29, 1982
    • The Celotex Corporation
    • Donald E. Hipchen
    • 428 - Stock material or miscellaneous articles
  • Information Patent Grant

    Structural laminate
    • Patent number 4,284,683
    • Issue date Aug 18, 1981
    • The Celotex Corporation
    • Donald E. Hipchen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Structural laminate and method for making same
    • Patent number 4,118,533
    • Issue date Oct 3, 1978
    • Celotex
    • Donald E. Hipchen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Structural laminate and method for making same
    • Patent number 4,028,158
    • Issue date Jun 7, 1977
    • The Celotex Corporation
    • Donald E. Hipchen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL