Patents by Inventor Karl Gunnar Winard

Karl Gunnar Winard 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: D244274
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: May 10, 1977
    Assignee: Kooperativa Forbundet (KF) ekonomisk forening
    Inventors: Karl Gunnar Winard, Bo Gunnar Mattsson