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Philip H. Stevenson

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  • Cleveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter system
    • Patent number 5,651,811
    • Issue date Jul 29, 1997
    • HMI Industries, Inc.
    • Robert A. Frey
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Filter system
    • Patent number 5,593,479
    • Issue date Jan 14, 1997
    • HMI Industries, Inc.
    • Robert A. Frey
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Vacuum cleaner and filter thereof
    • Patent number 5,248,323
    • Issue date Sep 28, 1993
    • Health-Mor, Inc.
    • Philip H. Stevenson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...