Patents by Inventor Clemens Koreska

Clemens Koreska 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).

  • Pencil sharpener
    Patent number: D812138
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: March 6, 2018
    Assignee: KORES HOLDING ZUG AG
    Inventor: Clemens Koreska
  • Pencil sharpener
    Patent number: D847900
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 7, 2019
    Assignee: Kores Holding Zug AG
    Inventor: Clemens Koreska
  • Pencil sharpener
    Patent number: D849137
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: May 21, 2019
    Inventor: Clemens Koreska
  • Pencil sharpener
    Patent number: D912140
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 2, 2021
    Inventor: Clemens Koreska
  • Marker with cap
    Patent number: D912144
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 2, 2021
    Inventor: Clemens Koreska
  • Marker with cap
    Patent number: D943025
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: February 8, 2022
    Inventor: Clemens Koreska
  • Painters palette
    Patent number: D956868
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: July 5, 2022
    Inventor: Clemens Koreska