Patents by Inventor Petra Hein

Petra Hein 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).

  • Ring
    Patent number: D700100
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: February 25, 2014
    Inventor: Petra Hein
  • Ring
    Patent number: D720643
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: January 6, 2015
    Inventor: Petra Hein