Patents by Inventor Carl-Gustav Sjoqvist

Carl-Gustav Sjoqvist 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: D290383
    Type: Grant
    Filed: October 11, 1984
    Date of Patent: June 16, 1987
    Inventor: Carl-Gustav Sjoqvist