Patents by Inventor Callen Grant

Callen Grant 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: 8680383
    Abstract: An electronic hymnal system comprises a music stand and a hymnal display. The display is capable of playing the hymns to let users get familiar or practice the hymns while viewing the scores and lyrics in different zoom level according to user's preference. The device comprises a touch screen on the front of the device, a power ON/OFF button, a SD card slot, a disk input slot, a front cover attached to the device, a battery compartment, an earphone port, volume control button and battery charge port. The user can disable the function of playing the hymns, only review the score and lyrics in a group gathering situation.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: March 25, 2014
    Inventors: Henry P. Taylor, Callen Grant