Patents by Inventor Douglas R. Lude

Douglas R. Lude 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).

  • Patent number: D869812
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: December 10, 2019
    Assignee: Inteplast Group Corporation
    Inventors: Yaw-kuen Lin, Douglas R. Lude
  • Patent number: D927118
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: August 3, 2021
    Assignee: Inteplast Group Corporation
    Inventors: Yaw-kuen Lin, Douglas R. Lude