Patents by Inventor Leonard J. Kulaszewicz

Leonard J. Kulaszewicz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Welded foam panels
    Patent number: 5421925
    Abstract: The invention is directed to securing rigid foams to a plastic panel through linear welding. The foam is vibrated linearly sufficiently to heat the interface between the foam and panel. The surface of the panel softens and becomes partially molten. The foam is urged into the panel and molten plastic material flows into the foam.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: June 6, 1995
    Assignee: Ford Motor Company
    Inventors: Leonard J. Kulaszewicz, Dale S. Crombez