Patents by Inventor Alf K. Johansson

Alf K. Johansson 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: D319959
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: September 17, 1991
    Assignee: Atlas Copco Berema Aktiebolag
    Inventor: Alf K. Johansson
  • Patent number: D319960
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: September 17, 1991
    Assignee: Atlas Copco Berema Aktiebolag
    Inventor: Alf K. Johansson