Patents by Inventor Jan O. Hagg

Jan O. Hagg 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: D287813
    Type: Grant
    Filed: February 14, 1984
    Date of Patent: January 20, 1987
    Assignee: Pressmaster Tool AB
    Inventors: Jan O. Hagg, Lars-Olov Persson
  • Patent number: D287929
    Type: Grant
    Filed: February 14, 1984
    Date of Patent: January 27, 1987
    Assignee: Pressmaster Tool AB
    Inventors: Jan O. Hagg, Lars-Olov Persson