Patents by Inventor Charles Richard Wagner

Charles Richard Wagner 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).

  • Method to draw with color on paper
    Patent number: 8029867
    Abstract: Two already known items are combined to provide a means to draw with color on paper especially at an office work place using a set of felt tipped markers and a typist's correction fluid.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: October 4, 2011
    Inventor: Charles Richard Wagner