Patents by Inventor Nathan J. Romportl

Nathan J. Romportl 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).

  • Earphone
    Patent number: D938399
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: December 14, 2021
    Assignee: Target Brands, Inc.
    Inventors: Daniel C. Rose, Yousin B. Smith, Kent D. Katterheinrich, Tyler J. Abrahamson, Nathan J. Romportl
  • Earphone
    Patent number: D973637
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: December 27, 2022
    Assignee: Target Brands, Inc.
    Inventors: Daniel C. Rose, Yousin Bayi Smith, Kent D. Katterheinrich, Tyler J. Abrahamson, Nathan J. Romportl
  • Speaker
    Patent number: D1025013
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 30, 2024
    Assignee: Target Brands, Inc.
    Inventors: Daniel C. Rose, Yousin B. Smith, Kent D. Katterheinrich, Nathan J. Romportl, Tyler J. Abrahamson