TREA

John D. Hartman

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceiling exhaust fan
    • Patent number D553237
    • Issue date Oct 16, 2007
    • J.F. Meskill Enterprises, LLC
    • Walter Herbst
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Ceiling exhaust fan
    • Patent number D553236
    • Issue date Oct 16, 2007
    • J.F. Meskill Enterprises, LLC
    • Walter Herbst
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Ceiling exhaust fan
    • Patent number D553234
    • Issue date Oct 16, 2007
    • J.F. Meskill Enterprises, LLC
    • Walter Herbst
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Ceiling exhaust fan
    • Patent number D553235
    • Issue date Oct 16, 2007
    • J.F. Meskill Enterprises, LLC
    • Walter Herbst
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fluid dispenser
    • Patent number D367004
    • Issue date Feb 13, 1996
    • The Gillette Company
    • Walter B. Herbst
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Writing instrument
    • Patent number D358167
    • Issue date May 9, 1995
    • The Gillette Company
    • Walter B. Herbst
    • D19 - Office supplies
  • Information Patent Grant

    Earplug dispenser
    • Patent number D345663
    • Issue date Apr 5, 1994
    • Cabot Safety Corporation
    • John D. Hartman
    • D06 - Furnishings