Patents by Inventor Ake Hagstrom

Ake Hagstrom 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).

  • Fish vaccine comprising an avirulent, invasive bacterium
    Patent number: 5284653
    Abstract: A live vaccine comprising an avirulent, invasive and immunogenic strain of a fish pathogenic bacterial species is used for immunization of fish against infectious diseases caused by fish pathogens by immersion of the fish into a suspension of the vaccine strain. Suitable strains for the preparation of said vaccine include Vibrio anguillarum strains DSM 4506, DSM 4507 and DSM 4508.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: February 8, 1994
    Assignee: Symbicom Aktiebolag
    Inventors: Hans Wolf-Watz, Anders Norquist, Ake Hagstrom
  • Chair
    Patent number: D441209
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: May 1, 2001
    Assignees: Numéra Idéutveckling AB, Vitech Sterling of Sweden AB
    Inventor: Kjell Ake Hagström
  • Pillow set
    Patent number: D419023
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: January 18, 2000
    Assignees: Numera Ideutveckling AB, Vitech Sterling of Sweden AB
    Inventor: Kjell Ake Hagstrom