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Peter Walker

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  • Hockessin, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Waterless printing plates
    • Patent number 6,066,434
    • Issue date May 23, 2000
    • E. I. Du Pont de Nemours and Company
    • Graciela Beatriz Blanchet-Fincher
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method for preparing high resolution wash-off images
    • Patent number 5,270,078
    • Issue date Dec 14, 1993
    • E. I. Du Pont de Nemours and Company
    • Peter Walker
    • B82 - NANO-TECHNOLOGY