Patents Assigned to General Systems Research Ltd.
  • Reusable picture frame
    Patent number: 4271619
    Abstract: A front-loading reusable picture frame is constructed of two nesting components. A rigid rectangular outer framework has first and second walls which define a forwardly facing seating and confining structure. A rectangular inner framework is formed by discrete side members having a continuously inwardly open channel for receiving a stack of framed elements whereby the side members may circumscribe the stack to bind its components. The inner framework seats within the outer framework and is confined therein.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: June 9, 1981
    Assignee: General Systems Research Ltd.
    Inventor: Erick Schmidt