Patents by Inventor Barbara M. Stein

Barbara M. Stein 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).

  • Jewelry clasp having a button
    Patent number: D826079
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: August 21, 2018
    Assignee: Windy Hill, Inc.
    Inventor: Barbara M. Stein
  • Jewelry clasp chain
    Patent number: D852080
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: June 25, 2019
    Assignee: Windy Hill, Inc.
    Inventor: Barbara M. Stein
  • Jewelry clasp chain
    Patent number: D867199
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: November 19, 2019
    Assignee: Windy Hill, Inc.
    Inventor: Barbara M. Stein
  • Jewelry clasp chain
    Patent number: D883132
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: May 5, 2020
    Assignee: WINDY HILL, INC.
    Inventor: Barbara M. Stein