Patents by Inventor Gustav A. Andersson

Gustav A. Andersson 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).

  • Valve diaphragm
    Patent number: D290640
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: June 30, 1987
    Assignee: Frigoscandia Contracting AB
    Inventor: Gustav A. Andersson