Patents Assigned to Producers Row Inc.
  • Projection screen support structure
    Patent number: 4106852
    Abstract: A highly portable projection screen support structure including an extendable center support pole and two extendable side support poles. The structure is adapted to support a very wide horizontally disposed rectangular screen of 4.5 to 1 or greater, or a conventional screen in a planar orientation.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: August 15, 1978
    Assignee: Producers Row Inc.
    Inventor: Edward A. Chasins