Patents by Inventor Walter H. Hawkins

Walter H. Hawkins 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).

  • Method and system for allowing simultaneous usage of prepaid services
    Patent number: 8019686
    Abstract: A method and system allows multiple and simultaneous use of a pre-paid calling card. A call management system allows for the completion of multiple calls under one pre-paid calling card account number. Depending on the number of concurrent users, a billing system assigns a portion of the total number of available service units to individualized user accounts. The individualized accounts are debited according to the rate charges for each of the calls and are initially assigned an account balance that allows all concurrent users with the same amount of talk time.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: September 13, 2011
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Thomas Michael Bauer, Charles David Caldwell, Walter H. Hawkins, Robert J. Sayko, Blake Lane Wattenbarger
  • Method and system for allowing simultaneous usage of prepaid services
    Patent number: 7627529
    Abstract: A method and system allows multiple and simultaneous use of a pre-paid calling card. A call management system allows for the completion of multiple calls under one pre-paid calling card account number. Depending on the number of concurrent users, a billing system assigns a portion of the total number of available service units to individualized user accounts. The individualized accounts are debited according to the rate charges for each of the calls and are initially assigned an account balance that allows all concurrent users with the same amount of talk time.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: December 1, 2009
    Assignee: AT&T Corp.
    Inventors: Thomas Michael Bauer, Charles David Caldwell, Walter H. Hawkins, Robert J. Sayko, Blake Lane Wattenbarger
  • Country-based language selection
    Patent number: 6069939
    Abstract: A method for providing a called party with audio messages/prompts in a language selected by the caller or a language spoken in the called party's geographic location comprises the steps of determining the geographic location of the called party; selecting a language from a plurality of language selections by a calling party for delivery of audio prompts to the called party in response to the determined geographic location of the called party; and providing the called party with audio messages/prompts in a selected language. Alternatively, the called party may be provided with audio prompts/messages in a language selected by a calling party through a method comprising the steps of determining dialed digits that identify the called party; selecting a language from a plurality of languages for delivery of audio prompts in response to determined dialed digits; and providing the called party with audio prompts in a language selected by the calling party.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: May 30, 2000
    Assignee: AT&T Corp
    Inventors: Elizabeth Y. Fung, Shubert A. Hau, Walter H. Hawkins, A. Helen McGrath, Christine Patricia Peterson
  • Modified strip mining apparatus
    Patent number: 4480872
    Abstract: An apparatus for strip mining using a power section driven into the cool and a conveyor section to transport the mineral out of the cut. The power section comprises a power driven cutter blade and conial flighting to convey the mineral to a conveyor belt in the conveyor section.
    Type: Grant
    Filed: January 30, 1981
    Date of Patent: November 6, 1984
    Inventor: Walter H. Hawkins