Patents by Inventor Mario Duarte Rodrigues Siqueira

Mario Duarte Rodrigues Siqueira 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).

  • Stylus with control ring user interface
    Patent number: 8803850
    Abstract: Control rings are mounted on a stylus body. A controller within the stylus body generates a control signal dependent upon the control rings. The control signal is transmitted to a host electronic device where information contained in the control signal is used to control properties of a drawing tool in a computer drawing application.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: August 12, 2014
    Assignee: BlackBerry Limited
    Inventors: Jason Tyler Griffin, Tracy Christina Sharp, Mario Duarte Rodrigues Siqueira
  • STYLUS WITH CONTROL RING USER INTERFACE
    Publication number: 20130335380
    Abstract: Control rings are mounted on a stylus body. A controller within the stylus body generates a control signal dependent upon the control rings. The control signal is transmitted to a host electronic device where information contained in the control signal is used to control properties of a drawing tool in a computer drawing application.
    Type: Application
    Filed: June 15, 2012
    Publication date: December 19, 2013
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Jason Tyler Griffin, Tracy Christina Sharp, Mario Duarte Rodrigues Siqueira