Patents by Inventor Royal Danny Rock

Royal Danny Rock 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).

  • Score Keeping Apparatus
    Publication number: 20150141177
    Abstract: A score keeping apparatus configured to keep score on a racquet. The score keeping apparatus contains multiple embodiments wherein the score keeping apparatus is configured to keep score on a racquet, such as a tennis or racquetball racquet.
    Type: Application
    Filed: November 17, 2013
    Publication date: May 21, 2015
    Inventor: Royal Danny Rock