TREA

Nicolai Czumaj-Bront

Follow

Person

  • Grand Rapids, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Portion of a back support for a chair
    • Patent number D793787
    • Issue date Aug 8, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Lumbar support for a chair
    • Patent number D784749
    • Issue date Apr 25, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Back support for a chair
    • Patent number D782859
    • Issue date Apr 4, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Back support for a chair
    • Patent number D782241
    • Issue date Mar 28, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Portion of a back support for a chair
    • Patent number D779250
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Back support for a chair
    • Patent number D779252
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Headrest for a chair
    • Patent number D779255
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Armrests for a chair
    • Patent number D779248
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Back support for a chair
    • Patent number D779253
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings
  • Information Patent Grant

    Armrests for a chair
    • Patent number D779254
    • Issue date Feb 21, 2017
    • Haworth, Inc.
    • Michael W. Welsh
    • D06 - Furnishings