TREA

Paul A. Williams

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  • Concord, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three-dimensional printing techniques
    • Patent number 5,340,656
    • Issue date Aug 23, 1994
    • Massachusetts Institute of Technology
    • Emanuel M. Sachs
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Three-dimensional printing techniques
    • Patent number 5,204,055
    • Issue date Apr 20, 1993
    • Massachusetts Institute of Technology
    • Emanuel M. Sachs
    • B28 - WORKING CEMENT, CLAY, OR STONE