Patents by Inventor Christopher Hannerstig

Christopher Hannerstig 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: D346108
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: April 19, 1994
    Assignee: AB A. Svensson & Co.
    Inventor: Christopher Hannerstig