TREA

Letraset Corp.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Production of artwork
    • Patent number 4,544,430
    • Issue date Oct 1, 1985
    • Letraset Limited
    • John V. Shepherd
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Manufacture of signs
    • Patent number 4,440,590
    • Issue date Apr 3, 1984
    • Letraset Corp.
    • Ronald B. Collins
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Screen printing apparatus
    • Patent number 4,365,551
    • Issue date Dec 28, 1982
    • Letraset Limited
    • David Horton
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Indicia alignment device
    • Patent number 4,364,184
    • Issue date Dec 21, 1982
    • Letraset Corporation
    • Martin E. Dowzall
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Manufacture of signs using photoimaging and heat transfer
    • Patent number 4,234,673
    • Issue date Nov 18, 1980
    • Letraset Corporation
    • Simon L. Scrutton
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS