Patents by Inventor Stephen Paul Hughes

Stephen Paul Hughes 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: D439887
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: April 3, 2001
    Assignee: Vtech Communications, Ltd.
    Inventors: Stephen Paul Hughes, Ian Heseltine, Timothy Roland Manson
  • Patent number: D510911
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: October 25, 2005
    Assignee: Vodafone Group, Plc. of Vodafone House
    Inventors: David Jeal, George Mudie, Anthony Jonathan Bedford, Patrick Douloubakas, Karl James Hewson, Stephen Paul Hughes
  • Patent number: D456795
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: May 7, 2002
    Assignee: VTech Communications, Ltd.
    Inventors: Stephen Paul Hughes, Nicholas James Mival, James Leddy
  • Patent number: D460060
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: July 9, 2002
    Assignee: VTech Communications Ltd.
    Inventors: Stephen Paul Hughes, Nicholas James Mival, James Leddy
  • Patent number: D460446
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: July 16, 2002
    Assignee: VTech Communications, Ltd.
    Inventors: Stephen Paul Hughes, Nicholas James Mival, James Leddy
  • Patent number: D472122
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: March 25, 2003
    Assignee: Acme United Corporation
    Inventors: Timothy Roland Manson, William Harris Knight, Stephen Paul Hughes
  • Patent number: D473438
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: April 22, 2003
    Assignee: Acme United Corporation
    Inventors: Timothy Roland Manson, William Harris Knight, Stephen Paul Hughes