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Patents Grantslast 30 patents

  • Information Patent Grant

    Graphic arts material extrusion device

    • Patent number 5,509,966
    • Issue date Apr 23, 1996
    • Richard H. Sykes
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    3665280

    • Patent number 3,665,280
    • Issue date May 23, 1972
    • G05 - CONTROLLING REGULATING