Patents by Inventor Veli-Pekka Heponen

Veli-Pekka Heponen 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: 4968317
    Abstract: Surgical material of resorbable polymer, copolymer, or polymer mixture containing at least partially fibrillated structural units, and use thereof.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: November 6, 1990
    Inventors: Pertti Tormala, Pentti Rokkanen, Seppo Vainionpaa, Juha Laiho, Veli-Pekka Heponen, Timo Pohjonen