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C. Warren Duncan

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  • Costa Mesa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multidisc floor grinder
    • Patent number 6,238,277
    • Issue date May 29, 2001
    • C. Warren Duncan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Grinding vacuum shroud
    • Patent number 5,791,979
    • Issue date Aug 11, 1998
    • C. Warren Duncan
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Dust disposal attachment for a rotary element of a power tool
    • Patent number 5,074,044
    • Issue date Dec 24, 1991
    • C. Warren Duncan
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...