Patents by Inventor John B Coray

John B Coray 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).

  • Light control keyboard
    Patent number: 6008551
    Abstract: A portable light control keyboard for electrically energizing illuminating devices using piano keys, wherein each piano key, when depressed, activates switches so as to provide power to a receptacle into which an illuminating device such as a light or bank of lights is connected. The portable light control keyboard provides a visual rhythmic accompaniment to musical performances and productions.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: December 28, 1999
    Assignee: John B Coray
    Inventor: John B Coray