Patents by Inventor Joaquin Rivera

Joaquin Rivera 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).

  • Anti-bulging projection screen structure
    Patent number: 7710646
    Abstract: A home cinema theater projection screen structure and method of making same are provided wherein a sheet of projection screen material of selected size is formed to a configuration having concave top and/or bottom edges, the projection screen material then being attached under tension to a mounting structure that defines an inwardly curved projection surface in the mounted condition whereby bulging of the projection surface of the screen is substantially eliminated. Movable side masking panels are included the structure in order to define a selected aspect ratio for the projection surface.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: May 4, 2010
    Assignee: Stewart Filmscreen Corporation
    Inventors: Patrick H. Stewart, Joaquin Rivera
  • Anti-Bulging Projection Screen Structure
    Publication number: 20080062516
    Abstract: A home cinema theater projection screen structure and method of making same are provided wherein a sheet of projection screen material of selected size is formed to a configuration having concave top and/or bottom edges, the projection screen material then being attached under tension to a mounting structure that defines an inwardly curved projection surface in the mounted condition whereby bulging of the projection surface of the screen is substantially eliminated. Movable side masking panels are included the structure in order to define a selected aspect ratio for the projection surface.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 13, 2008
    Inventors: Patrick H. STEWART, Joaquin Rivera