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De La Rue Holographics Limited

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  • London, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Holographic security device
    • Patent number 5,694,229
    • Issue date Dec 2, 1997
    • De La Rue Holographics Limited
    • Kenneth John Drinkwater
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Image enhancement
    • Patent number 5,665,194
    • Issue date Sep 9, 1997
    • De La Rue Holographics Limited
    • Ralph Kay
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Decorative article
    • Patent number 5,492,370
    • Issue date Feb 20, 1996
    • De La Rue Holographics Ltd.
    • Charles E. Chatwin
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Security device
    • Patent number 5,483,363
    • Issue date Jan 9, 1996
    • De La Rue Holographics Limited
    • Brian W. Holmes
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Tamper resisting holographic security seal
    • Patent number 5,319,475
    • Issue date Jun 7, 1994
    • De La Rue Holographics Limited
    • Ralph Kay
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Optical device
    • Patent number 5,310,222
    • Issue date May 10, 1994
    • De La Rue Holographics Limited
    • Charles E. Chatwin
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

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