Patents by Inventor R. Sean Hagen

R. Sean Hagen 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).

  • Desktop home karaoke system
    Patent number: D509223
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: September 6, 2005
    Assignee: The Singing Machine Company
    Inventors: Edward Steele, John David Steele, Philip J. D'A. Remedios, Jerry D. Elmore, R. Sean Hägen
  • Air filter
    Patent number: D452302
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: December 18, 2001
    Assignee: Dart Industries Inc.
    Inventor: R. Sean Hagen
  • Spray head
    Patent number: D405158
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: February 2, 1999
    Assignee: Dart Industries Inc.
    Inventor: R. Sean Hagen
  • Water filter
    Patent number: D408887
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: April 27, 1999
    Assignee: Dart Industries Inc.
    Inventor: R. Sean Hagen
  • Antenna
    Patent number: D419159
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: January 18, 2000
    Assignee: Recoton Corporation
    Inventors: Leonard A. Davi, R. Sean Hagen