Patents by Inventor Bo B. Gustafsson

Bo B. Gustafsson 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).

  • Closure device
    Patent number: 4524880
    Abstract: A closure device for fluid-tight closure of an opening of a fluid container. The device comprises a casing part (1) and a cap part (2). These parts are injection molded from different plastic materials, preferably from PVC and polypropylene, respectively, one partially against the other. A tubular portion (12) of the cap part (2) intrudes sealingly into a substantially cylindrical hollow space between an internal and an external sleeve portion (3,4) of the casing part (1).
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: June 25, 1985
    Assignee: Pharmacia AB
    Inventors: Carl O. Danielson, Bo B. Gustafsson, Gote E. Richardsson, Karl-Erik Lundh