Patents by Inventor Friederich Lang

Friederich Lang 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).

  • Mascara brush
    Patent number: 5761760
    Abstract: A mascara brush having a core bent into a looped or eyetype configuration is disclosed. The twisted wire core is bent by approximately 180.degree. to form a oblong, oval rectangular or figure eight configuration having an internal reservoir adapted to receive mascara for transferring to the eyelashes.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: June 9, 1998
    Assignee: Estee Lauder Inc.
    Inventors: Norbert Dumler, Friederich Lang