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Robert A. Frey

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  • Westlake, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum cleaner and filter bag with air management
    • Patent number 5,658,362
    • Issue date Aug 19, 1997
    • HMI Industries, Inc.
    • Robert A. Frey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Room air cleaner
    • Patent number 5,641,343
    • Issue date Jun 24, 1997
    • HMI Industries, Inc.
    • Robert A. Frey
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum cleaner and filter bag with air management
    • Patent number 5,603,741
    • Issue date Feb 18, 1997
    • HMI Industries, Inc.
    • Robert A. Frey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Filter bag for a vacuum cleaner
    • Patent number 5,522,908
    • Issue date Jun 4, 1996
    • HMI Industries, Inc.
    • Robert A. Frey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner canister base connector
    • Patent number 5,515,573
    • Issue date May 14, 1996
    • HMI Industries Inc.
    • Robert A. Frey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...