Patents by Inventor Thomas A. Parkin

Thomas A. Parkin 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).

  • Conservation of temporary roaming numbers
    Publication number: 20070238470
    Abstract: A method for routing mobile station terminated calls. The method can include determining whether a mobile station (110, 110?) is within its home serving area (170) when a call (180) has been placed to the mobile station over a communications network (102). Responsive to determining that the mobile station is in its home serving area, the call can be routed to the mobile station without assigning a temporary roaming number (150) to the call.
    Type: Application
    Filed: April 10, 2006
    Publication date: October 11, 2007
    Inventors: Roger Griffith, Drake Barry, Mark Hampson, Thomas Parkins, George Rykowski
  • Computer system
    Patent number: D363708
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: October 31, 1995
    Assignee: International Business Machines Corporation
    Inventors: Edward Furey, Marian H. Gravel, Susan S. Moffatt, Gerard F. Muenkel, Thomas A. Parkin