TREA

David E. Snead

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  • Canyon Country, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boolean layer comparison slice
    • Patent number 6,333,741
    • Issue date Dec 25, 2001
    • 3D Systems, Inc.
    • David E. Snead
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Boolean layer comparison slice
    • Patent number 5,854,748
    • Issue date Dec 29, 1998
    • 3D Systems, Inc.
    • David E. Snead
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Boolean layer comparison slice
    • Patent number 5,481,470
    • Issue date Jan 2, 1996
    • 3D Systems, Inc.
    • David E. Snead
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Boolean layer comparison slice
    • Patent number 5,321,622
    • Issue date Jun 14, 1994
    • 3D Systems, Inc.
    • David E. Snead
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL