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Karen Richwine

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  • Mechanicsburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual material tool handle
    • Patent number 6,889,405
    • Issue date May 10, 2005
    • Ames True Temper, Inc.
    • Michael L. Ritrovato
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    STRUCTURE OF HOSE
    • Publication number 20090133769
    • Publication date May 28, 2009
    • AMES TRUE TEMPER, INC.
    • William Myles Riley
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Dual material tool handle
    • Publication number 20050155187
    • Publication date Jul 21, 2005
    • AMES TRUE TEMPER, INC.
    • Michael L. Ritrovato
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Dual material tool handle
    • Publication number 20040154132
    • Publication date Aug 12, 2004
    • Michael L. Ritrovato
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS