Patents by Inventor Barbara Blackman

Barbara Blackman 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).

  • Ring
    Patent number: D522402
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: June 6, 2006
    Assignee: Kuber Mfg. Inc.
    Inventors: Basant Johari, Barbara Blackman
  • Ring
    Patent number: D542169
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: May 8, 2007
    Assignee: Kuber Mfg. Inc.
    Inventors: Basant Johari, Barbara Blackman