Patents by Inventor Sigurd Sandvik

Sigurd Sandvik 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: 5419705
    Abstract: A talking book includes front and back covers and a plurality of individual leaves therebetween. The covers and leaves contain literal and graphic indicia thereon describing and illustrating at least one character, object or event. At least one sound source is removably attached to the book for producing sound corresponding to at least a selected one of the characters, objects and events illustrated and described in the book. The sound source includes at least one switch thereon for causing the production of sound in response to actuation of the switch. The switch is uniquely labelled to correspond to a selected one of the characters, objects or events.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: May 30, 1995
    Assignee: Sandviks Bokforlag
    Inventor: Sigurd Sandvik