Patents by Inventor Bertil Norman

Bertil Norman 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: D301017
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: May 9, 1989
    Assignee: Instrumentverken AB
    Inventors: Bertil Norman, Arne Yngstrom