Patents by Inventor Albertus P. Walrave

Albertus P. Walrave 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).

  • Method for forming a structural panel with decorative facing and product thereof
    Patent number: 5238725
    Abstract: A panel having a honeycomb core and thermoplastic resin facings with adhered decorative polyvinyl fluoride overlayer is shaped in a press after being preheated to the softening temperature of the resin and the placing of the heated thermoplastic resin facing in registry with the overlayer which is preheated, thus pressing the two together in the press.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: August 24, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael J. Effing, Dennis A. Nollen, Richard K. Okine, Albertus P. Walrave