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Walter E. Lisowski

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  • Westmont, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collet head
    • Patent number D455766
    • Issue date Apr 16, 2002
    • Mid-West Screw Products, Inc.
    • Walter E. Lisowski
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Collet head
    • Patent number D455162
    • Issue date Apr 2, 2002
    • Mid-West Screw Products, Inc.
    • Walter E. Lisowski
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Adjustable walker cane
    • Patent number D437679
    • Issue date Feb 20, 2001
    • Virginia Lisowski
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Intake clearing tool for jet-powered aquatic vehicles
    • Patent number 5,937,473
    • Issue date Aug 17, 1999
    • Walter E. Lisowski
    • B08 - CLEANING
  • Information Patent Grant

    Releasable caster
    • Patent number 5,594,974
    • Issue date Jan 21, 1997
    • Wattron; James P.
    • James Wattron
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Insert for a holder for boat winch handle
    • Patent number D356881
    • Issue date Mar 28, 1995
    • Walter E. Lisowski
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Holder for boat winch handle
    • Patent number D356882
    • Issue date Mar 28, 1995
    • Walter E. Lisowski
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Releasable fifth wheel caster for skateboards
    • Patent number 5,347,681
    • Issue date Sep 20, 1994
    • Wattron; James P.
    • James P. Wattron
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Retainer clip
    • Patent number 5,026,016
    • Issue date Jun 25, 1991
    • Helm Products, Inc.
    • Walter E. Lisowski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rail clamp
    • Patent number 4,799,444
    • Issue date Jan 24, 1989
    • Helm Products, Inc.
    • Walter E. Lisowski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Video camera shoulder rest
    • Patent number D289162
    • Issue date Apr 7, 1987
    • Walter E. Lisowski
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Boats hardware system
    • Patent number 4,338,875
    • Issue date Jul 13, 1982
    • Walter E. Lisowski
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boats hardware system
    • Patent number 4,194,459
    • Issue date Mar 25, 1980
    • Helm Products, Inc.
    • Walter E. Lisowski
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT