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Charles J. Steffens

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  • Ada, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 9,669,689
    • Issue date Jun 6, 2017
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 8,205,928
    • Issue date Jun 26, 2012
    • Steffans Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Connector assembly
    • Patent number 8,205,844
    • Issue date Jun 26, 2012
    • Steffens Enterprises, Inc.
    • Roger L. Erickson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Computer cart
    • Patent number D645630
    • Issue date Sep 20, 2011
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Computer cart
    • Patent number D637782
    • Issue date May 10, 2011
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 7,735,881
    • Issue date Jun 15, 2010
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Computer cart
    • Patent number D612561
    • Issue date Mar 23, 2010
    • Steffens Enterprises, Inc.
    • Lynne F. Hunter
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Vehicle step tube
    • Patent number 7,334,807
    • Issue date Feb 26, 2008
    • Steffens Enterprises, Inc.
    • Craig C. Mulder
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cargo compartment organizer
    • Patent number 7,195,299
    • Issue date Mar 27, 2007
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cargo compartment organizer
    • Patent number 7,036,861
    • Issue date May 2, 2006
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 6,565,141
    • Issue date May 20, 2003
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 6,527,330
    • Issue date Mar 4, 2003
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 6,520,559
    • Issue date Feb 18, 2003
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 6,454,337
    • Issue date Sep 24, 2002
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup truck
    • Patent number 6,422,635
    • Issue date Jul 23, 2002
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Folding cargo bay cover for pickup trucks
    • Patent number 5,653,491
    • Issue date Aug 5, 1997
    • Steffens Enterprises, Inc.
    • Chuck J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pickup box covers
    • Patent number 4,946,217
    • Issue date Aug 7, 1990
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FOLDING CARGO BAY COVER FOR PICKUP TRUCK
    • Publication number 20120251228
    • Publication date Oct 4, 2012
    • STEFFENS ENTERPRISES, INC.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FOLDING CARGO BAY COVER FOR PICKUP TRUCK
    • Publication number 20100219658
    • Publication date Sep 2, 2010
    • STEFFENS ENTERPRISES, INC.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FOLDING CARGO BAY COVER FOR PICKUP TRUCK
    • Publication number 20090146449
    • Publication date Jun 11, 2009
    • STEFFENS ENTERPRISES, INC.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Two-Piece Vehicle Step Tube
    • Publication number 20080018074
    • Publication date Jan 24, 2008
    • STEFFENS ENTERPRISES, INC.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Cargo compartment organizer
    • Publication number 20060145503
    • Publication date Jul 6, 2006
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicle step tube
    • Publication number 20050263975
    • Publication date Dec 1, 2005
    • Steffens Enterprises, Inc.
    • Craig C. Mulder
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Cargo compartment organizer
    • Publication number 20040155082
    • Publication date Aug 12, 2004
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Folding cargo bay cover for pickup truck
    • Publication number 20010035664
    • Publication date Nov 1, 2001
    • Steffens Enterprises, Inc.
    • Charles J. Steffens
    • B60 - VEHICLES IN GENERAL