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Robert Roch Ward

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  • Chesterfield, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for making composite sheet
    • Patent number 6,425,430
    • Issue date Jul 30, 2002
    • E. I. Du Pont de Nemours and Company
    • Robert Roch Ward
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for making composite sheet
    • Patent number 6,179,946
    • Issue date Jan 30, 2001
    • E. I. Du Pont de Nemours and Company
    • Robert Roch Ward
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents