Patents by Inventor Christopher John Holwerda

Christopher John Holwerda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Seating structure
    Patent number: 12144431
    Abstract: A seating structure includes a base, a seat supported by the base, and a backrest supported by the base. The backrest includes a rear backrest section and a front backrest section coupled to the rear backrest section to define a gap therebetween. The gap extends around at least part of a perimeter of the backrest. The backrest further includes a fabric layer covering the front backrest section. A portion of the fabric layer is received in the gap.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: November 19, 2024
    Assignee: MillerKnoll, Inc.
    Inventors: Christopher John Holwerda, William Douglas Allen
  • SEATING STRUCTURE
    Publication number: 20240251952
    Abstract: A seating structure includes a base, a seat supported by the base, and a backrest supported by the base. The backrest includes a rear backrest section and a front backrest section coupled to the rear backrest section to define a gap therebetween. The gap extends around at least part of a perimeter of the backrest. The backrest further includes a fabric layer covering the front backrest section. A portion of the fabric layer is received in the gap.
    Type: Application
    Filed: January 31, 2023
    Publication date: August 1, 2024
    Inventors: Christopher John Holwerda, William Douglas Allen