Patents by Inventor David Marinissen

David Marinissen 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).

  • Ear plug
    Patent number: D817310
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: May 8, 2018
    Inventor: David Marinissen
  • Ear plug
    Patent number: D829321
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: September 25, 2018
    Assignee: Dynamic Ear Company B.V.
    Inventor: David Marinissen