Patents Assigned to Joan L. Nealon
  • Air foil blade and methods of making same
    Patent number: 5403161
    Abstract: For use in rear turbine stabilized helicopters, a air foil blade comprising an integrally formed and readily replicated spar and blade in which the blade is created from compounded plastic having cellular structure and adherent to the spar. The air foil blade is produced by a unique adaptation of an injection molding process using a foamed polypropylene thermoplastic material.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: April 4, 1995
    Assignees: Dennis T. Nealon, Joan L. Nealon
    Inventors: Dennis T. Nealon, Robert J. Hudson, Jr.