Patents by Inventor Marcin S?omkowski

Marcin S?omkowski 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).

  • Headphone stand
    Patent number: D964325
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: September 20, 2022
    Assignee: Neederland LTD
    Inventors: Norbert Dominik Sieczkiewicz, Marcin Słomkowski, Michał Artur Nocoń