Patents Assigned to Ronald D. Resch
  • Construction-element
    Patent number: 4397902
    Abstract: A construction element of folded sheet material having a repetitive pattern of similarly shaped geometric figures. The tops of the figures lie in one plane and the troughs in a second parallel plane. Four tops are situated around one trough and are connected with it through four angled surfaces.
    Type: Grant
    Filed: March 21, 1979
    Date of Patent: August 9, 1983
    Assignee: Ronald D. Resch
    Inventor: Ronald D. Resch