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Lawrence C. Cessna Jr.

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  • Newark, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressless injection molding
    • Patent number 4,014,974
    • Issue date Mar 29, 1977
    • Hercules Incorporated
    • Lawrence C. Cessna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pressless injection molding apparatus
    • Patent number 3,972,668
    • Issue date Aug 3, 1976
    • Hercules Incorporated
    • Lawrence C. Cessna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL