Patents by Inventor Frederick L. Hjortsberg

Frederick L. Hjortsberg 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).

  • Publication number: 20160046112
    Abstract: A method of forming an article is provided, comprising providing a decorative covering; providing an injection molded substrate, the substrate formed of at least one thermoplastic polymer, the thermoplastic polymer having a cellular structure formed by a gas expelled into the thermoplastic polymer by a chemical blowing agent mixed with the thermoplastic polymer during injection molding, wherein an upper surface of the substrate includes surface defects including surface voids; applying a hot-melt adhesive to at least one of an lower surface of the decorative covering and the upper surface of the substrate; bonding the decorative covering and the injection molded foamed substrate with the adhesive; and wherein the adhesive is applied such that presence of the surface voids in the upper surface of the substrate do not appear on an upper surface of the skin layer after the decorative article is formed.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 18, 2016
    Inventors: Frederick L. HJORTSBERG, Rose A. RYNTZ, Behrooz MEHDIAN
  • Publication number: 20030162023
    Abstract: A panel comprising a coverstock layer, an adhesive layer, and at least one substrate layer comprising a polyester mat having dry acrylic polystyrene copolymer. The panel may also include at least one fiber layer also having dry acrylic polystyrene copolymer.
    Type: Application
    Filed: February 27, 2002
    Publication date: August 28, 2003
    Applicant: LEAR CORPORATION
    Inventor: Frederick L. Hjortsberg