Patents by Inventor Helena Kathryn Twigg

Helena Kathryn Twigg 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).

  • Antennas
    Patent number: 6832099
    Abstract: A mobile phone antenna comprising a belt which is adapted to be worn by a user and which comprises an antenna arrangement which in use is coupled to the mobile phone transceiver.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: December 14, 2004
    Assignee: Roke Manor Research Limited
    Inventors: Helena Kathryn Twigg, Anthony Peter Hulbert
  • Antennas
    Publication number: 20020016181
    Abstract: A mobile phone antenna comprising a belt which is adapted to be worn by a user and which comprises an antenna arrangement which in use is coupled to the mobile phone transceiver.
    Type: Application
    Filed: May 31, 2001
    Publication date: February 7, 2002
    Inventors: Helena Kathryn Twigg, Anthony Peter Hulbert