Patents by Inventor Marian Buzdugan

Marian Buzdugan 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: 8605881
    Abstract: Methods and systems are provided for managing conference calls. The method includes establishing a first conference call between a host terminal device and one or more participant terminal devices; receiving a request for adding a non-participant terminal device into the first conference call; selecting a participant terminal device from the one or more participant terminal devices to host a second conference call; establishing the second conference call hosted by the selected participant terminal device; and chaining the first conference call and the second conference call through the selected participant terminal device.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: December 10, 2013
    Assignee: BlackBerry Limited
    Inventor: Marian Buzdugan
  • Publication number: 20130108033
    Abstract: Methods and systems are disclosed for managing conference calls. The method includes establishing a first conference call between a host terminal device and one or more participant terminal devices; receiving a request for adding a non-participant terminal device into the first conference call; selecting a participant terminal device from the one or more participant terminal devices to host a second conference call; establishing the second conference call hosted by the selected participant terminal device, wherein the second conference call includes the non-participant terminal device; and chaining the first conference call and the second conference call through the selected participant terminal device.
    Type: Application
    Filed: October 31, 2011
    Publication date: May 2, 2013
    Applicant: Research In Motion Limited
    Inventor: Marian Buzdugan