Patents by Inventor Sandra J. Dow

Sandra J. Dow 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: D342805
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: December 28, 1993
    Assignee: New Traditions Pipe Company
    Inventors: Randolph A. Heine, Sandra J. Dow