TREA

Raymond W. Cen

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  • Needham, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Personal care product
    • Patent number 6,632,420
    • Issue date Oct 14, 2003
    • The Gillette Company
    • Raymond W. Cen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE