Patents by Inventor Annemarie Schmidt

Annemarie Schmidt 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).

  • Polishes for hard surfaces
    Patent number: 5261951
    Abstract: Polishes for hard surfaces that are essentially free of organic solvent comprising organopolysiloxanes which are solid at room temperature.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: November 16, 1993
    Assignee: Wacker-Chemie GmbH
    Inventors: Johann Sejpka, Franz Wimmer, Annemarie Schmidt