Patents by Inventor Chris Narus

Chris Narus 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: 6141428
    Abstract: A speaker system having increased sound quality comprising a first and second speakers each having a front and back. The first and second speakers cooperate with a duct having a first elongated portion in fluid communication with the rear of the first speaker and a second elongated portion in fluid communication with the rear of the second speaker. The duct has an elongated bass port defined therein intermediate the first and second portions. Each of the speakers have their fronts in contact with the air outside of the duct and the backs of the speakers are in contact with the air inside the duct. The duct may have a first spur intermediate the first and second speakers with a bass port in the first spur. The duct may have a second and third spur at the axial extremities with the first and second speakers respectively engaging the second and third spurs. Each spur may have an axis and the axes of the spurs may be generally coplanar for automobile use.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: October 31, 2000
    Inventor: Chris Narus