Patents by Inventor Marcus Schwertfeger

Marcus Schwertfeger 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).

  • Water-based pigmented preparation
    Patent number: 9675541
    Abstract: A water-based pigmented preparation, its production and use and its application in a capillary storage system.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: June 13, 2017
    Assignee: Schwan-STABILO Cosmetics GmbH & Co. KG
    Inventors: Ursula Hunsinger, Zuhal Menguec, Marcus Schwertfeger
  • WATER-BASED PIGMENTED PREPARATION
    Publication number: 20130149364
    Abstract: A water-based pigmented preparation, its production and use and its application in a capillary storage system.
    Type: Application
    Filed: July 22, 2011
    Publication date: June 13, 2013
    Applicant: SCHWAN-STABILO COSMETICS GMBH & CO. KG
    Inventors: Ursula Hunsinger, Zuhal Menguec, Marcus Schwertfeger