Patents Represented by Attorney Eugene P. Sunday
  • Patent number: 7422714
    Abstract: A method of fabricating and using a removable, inflatable mandrel of shape memory polymer for use in manufacturing composite parts including the steps of providing a processed pre-form of shape memory polymer, replicating a mold with the shape memory polymer, using the mold as a mandrel in the creation of composite parts, and removing the shape memory mandrel quickly and easily from the part without damage to the finished part.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: September 9, 2008
    Assignee: Cornerstone REsearch Group, Inc.
    Inventors: Patrick J. Hood, David E. Havens, Matthew C. Everhart