Patents by Inventor Ivan M. Ray

Ivan M. Ray 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).

  • Pencil sharpener
    Patent number: D647140
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: October 18, 2011
    Inventor: Ivan M. Ray