Patents by Inventor Joseph B. Christian

Joseph B. Christian 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).

  • Stave percussion drum
    Patent number: 8791347
    Abstract: A percussion drum including a plurality of vertical staves held together by mechanically interlocking joints on the side edges of the staves.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: July 29, 2014
    Inventor: Joseph B. Christian