Patents by Inventor Daniela Helmberger

Daniela Helmberger 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).

  • Keyboard
    Patent number: D517553
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: March 21, 2006
    Assignee: Seng Kee Teo
    Inventors: Ulrich Schraudolph, Aik Chye Wee, Pei Pei Yeo, Daniela Helmberger