Patents by Inventor Roland S. Ostlund

Roland S. Ostlund 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: D268270
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: March 15, 1983
    Inventors: Roland S. Ostlund, Rolf S. stlund