Patents by Inventor Joseph Nicholas Stephens

Joseph Nicholas Stephens 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).

  • Can-shaped inflatable loudspeaker
    Patent number: D478062
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: August 5, 2003
    Assignee: Ellula Sounds Limited
    Inventor: Joseph Nicholas Stephens