Patents by Inventor Christopher P. Berens

Christopher P. Berens 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: 6881887
    Abstract: A guide is disclosed with vertical numerically color coded lines on it. The guide can then be moved along the space between the keys and the fallboard of the piano, so that the keys can be played by anyone placing their fingers on the keys indicated by the lines on the guide. Sheet music is prepared with numbers and colors juxtaposed to the notes corresponding to the lines, so that the piano student will know which keys to stroke.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: April 19, 2005
    Inventor: Christopher P. Berens