Patents by Inventor Rigoberto Alvarez Ibarra

Rigoberto Alvarez Ibarra 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: 8811651
    Abstract: A speaker enclosure has an enclosure having an open front section. A partition is formed in the enclosure. A cone is coupled to the partition, wherein an outer perimeter of the cone is unattached from the enclosure forming a gap between the outer perimeter of the cone and the enclosure. A coil assembly is coupled to the cone. A magnet unit is coupled to the cone.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: August 19, 2014
    Inventor: Rigoberto Alvarez Ibarra
  • Patent number: 8804994
    Abstract: A speaker enclosure has an enclosure having an open front section. A partition is formed in the enclosure. A cone is coupled to the partition, wherein an outer perimeter of the cone is unattached from the enclosure forming a gap between the outer perimeter of the cone and the enclosure. A coil assembly is coupled to the cone. A magnet unit is coupled to the cone.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: August 12, 2014
    Inventor: Rigoberto Alvarez Ibarra
  • Publication number: 20130308815
    Abstract: A speaker enclosure has an enclosure having an open front section. A partition is formed in the enclosure. A cone is coupled to the partition, wherein an outer perimeter of the cone is unattached from the enclosure forming a gap between the outer perimeter of the cone and the enclosure. A coil assembly is coupled to the cone. A magnet unit is coupled to the cone.
    Type: Application
    Filed: May 21, 2012
    Publication date: November 21, 2013
    Inventor: Rigoberto Alvarez Ibarra
  • Publication number: 20130108100
    Abstract: A speaker enclosure has an enclosure having an open front section. A partition is formed in the enclosure. A cone is coupled to the partition, wherein an outer perimeter of the cone is unattached from the enclosure forming a gap between the outer perimeter of the cone and the enclosure. A coil assembly is coupled to the cone. A magnet unit is coupled to the cone.
    Type: Application
    Filed: May 21, 2012
    Publication date: May 2, 2013
    Inventor: Rigoberto Alvarez Ibarra