Patents by Inventor Andrew Donald McEwan

Andrew Donald McEwan 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).

  • System for Providing Mobile VoIP
    Publication number: 20160037389
    Abstract: A system for providing handoff for a mobile devices comprising a mobile phone programmed to automatically handover between differing data bearers and to optimally detect those bearers in a roaming environment keeping power consumption to a minimum. Repeating means for these mobile devices to extend the range of coverage and the protocol for that coverage.
    Type: Application
    Filed: May 27, 2015
    Publication date: February 4, 2016
    Inventors: James Tagg, Andrew Donald McEwan
  • System for providing mobile VoIP
    Patent number: 9049042
    Abstract: A system for providing handoff for a mobile devices comprising a mobile phone programmed to automatically handover between differing data bearers and to optimally detect those bearers in a roaming environment keeping power consumption to a minimum. Repeating means for these mobile devices to extend the range of coverage and the protocol for that coverage.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: June 2, 2015
    Assignee: Truphone Limited
    Inventors: James Peter Tagg, Andrew Donald McEwan