Patents by Inventor Tanja MADERER

Tanja MADERER 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: 12103329
    Abstract: An eraser for removing strokes of writing, painting and/or drawing tools, including at least one binder and at least one plasticizer. The eraser includes at least one plasticizer in the form of pentaerythritol tetravalerate.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: October 1, 2024
    Assignee: STAEDTLER SE
    Inventor: Tanja Maderer
  • Publication number: 20220348036
    Abstract: An eraser for removing strokes of writing, painting and/or drawing tools, including at least one binder and at least one plasticizer. The eraser includes at least one plasticizer in the form of pentaerythritol tetravalerate.
    Type: Application
    Filed: July 8, 2019
    Publication date: November 3, 2022
    Inventor: Tanja MADERER