Patents by Inventor John L. DeJournett

John L. DeJournett 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: 7988559
    Abstract: The present invention in various embodiments provides a computerized wagering game method and apparatus that features an operating system kernel, a system handler application that loads and executes gaming program shared objects and features nonvolatile storage that facilitates sharing of information between gaming program objects. The system handler of some embodiments further provides an API library of functions callable from the gaming program objects, and facilitates the use of callback functions on change of data stored in nonvolatile storage. The nonvolatile storage also provides a nonvolatile record of the state of the computerized wagering game, providing protection against loss of the game state due to power loss. The system handler application in various embodiments includes a plurality of device handlers, providing an interface to selected hardware and the ability to monitor hardware-related events.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: August 2, 2011
    Assignee: IGT
    Inventors: Mark L. Yoseloff, Mark D. Jackson, Michael G. Martinek, Donald A. Brower, John L. DeJournett
  • Publication number: 20110179409
    Abstract: The present invention in various embodiments provides a computerized wagering game method and apparatus that features an operating system kernel, a system handler application that loads and executes gaming program shared objects and features nonvolatile storage that facilitates sharing of information between gaming program objects. The system handler of some embodiments further provides an API library of functions callable from the gaming program objects, and facilitates the use of callback functions on change of data stored in nonvolatile storage. The nonvolatile storage also provides a nonvolatile record of the state of the computerized wagering game, providing protection against loss of the game state due to power loss. The system handler application in various embodiments includes a plurality of device handlers, providing an interface to selected hardware and the ability to monitor hardware-related events.
    Type: Application
    Filed: March 30, 2011
    Publication date: July 21, 2011
    Applicant: IGT
    Inventors: Mark L. Yoseloff, Mark D. Jackson, Michael G. Martinek, Donald A. Brower, John L. DeJournett
  • Publication number: 20110177867
    Abstract: The present invention in various embodiments provides a computerized wagering game method and apparatus that features an operating system kernel, a system handler application that loads and executes gaming program shared objects and features nonvolatile storage that facilitates sharing of information between gaming program objects The system handler of some embodiments further provides an API library of functions callable from the gaming program objects, and facilitates the use of callback functions on change of data stored in nonvolatile storage. The nonvolatile storage also provides a nonvolatile record of the state of the computerized wagering game, providing protection against loss of the game state due to power loss. The system handler application in various embodiments includes a plurality of device handlers, providing an interface to selected hardware and the ability to monitor hardware-related events.
    Type: Application
    Filed: March 30, 2011
    Publication date: July 21, 2011
    Applicant: IGT
    Inventors: Mark L. Yoseloff, Mark D. Jackson, Michael G. Martinek, Donald A. Brower, John L. DeJournett
  • Publication number: 20030224858
    Abstract: The present invention in various embodiments provides a computerized wagering game method and apparatus that features an operating system kernel, a system handler application that loads and executes gaming program shared objects and features nonvolatile storage that facilitates sharing of information between gaming program objects. The system handler of some embodiments further provides an API library of functions callable from the gaming program objects, and facilitates the use of callback functions on change of data stored in nonvolatile storage. The nonvolatile storage also provides a nonvolatile record of the state of the computerized wagering game, providing protection against loss of the game state due to power loss. The system handler application in various embodiments includes a plurality of device handlers, providing an interface to selected hardware and the ability to monitor hardware-related events.
    Type: Application
    Filed: July 26, 2002
    Publication date: December 4, 2003
    Inventors: Mark L. Yoseloff, Mark D. Jackson, Michael G. Martinek, Donald A. Brower, John L. DeJournett