Patents by Inventor Sigrid Hader

Sigrid Hader 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).

  • Dental fiberpost
    Patent number: D802138
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: November 7, 2017
    Inventors: Ruediger Hampe, Robert Peez, Eva-Maria Popp, Sigrid Hader, Andrew Stricker