Patents by Inventor David Wayne Cook

David Wayne Cook 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).

  • Two-dimensional ruler face
    Patent number: D684875
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: June 25, 2013
    Inventor: David Wayne Cook