Patents by Inventor Severin Dufour

Severin Dufour 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).

  • Patent number: D536230
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: February 6, 2007
    Assignee: Ultradiam
    Inventor: Severin Dufour