Patents Assigned to McDonnell Dougal Corporation
  • Quasi-isotropic composite isogrid structure and method of making same
    Patent number: 6007894
    Abstract: A quasi-isotropic composite structure includes a multi-sheet rib projecting generally perpendicular to a multi-sheet body with at least one of the body face sheets being bent and attached in a parallel manner to the rib sheet or sheets. The sheet or sheets that are part of both the body and rib are unsevered and integrally contiguous.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: December 28, 1999
    Assignee: McDonnell Dougal Corporation
    Inventors: Donald Charles Barnes, Stephen Mark Kusek, Dennis Anthony Lascola