Patents by Inventor Roland K. A. Larsson

Roland K. A. Larsson 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).

  • Patent number: 5034272
    Abstract: A decorative thermosetting laminate with an extremely increased abrasion resistance comprising a base layer and at least two patterned decor sheets of paper impregnated with a thermosetting resin and firmly bonded to the base layer. The paper material of these decor sheets is transparent. These sheets are provided with the same pattern and placed on top of each other in such a manner that the corresponding parts of the pattern of the sheets coincide at least mainly but preferably fully with each other, whereby the pattern at abrasion of one decor sheet will be repeated in the next decor sheet.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: July 23, 1991
    Assignee: Perstorp AB
    Inventors: Kent O. Lindgren, Alf H. Hasselqvist, Roland K. A. Larsson