Patents by Inventor Ruth Williams

Ruth Williams 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).

  • Candle holder
    Patent number: D554278
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: October 30, 2007
    Assignee: Robert Welch Designs Limited
    Inventor: Ruth Williams
  • Cutlery set
    Patent number: D575116
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: August 19, 2008
    Assignee: Robert Welch Designs Limited
    Inventor: Ruth Williams
  • Bowl
    Patent number: D589753
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: April 7, 2009
    Assignee: Robert Welch Designs Ltd.
    Inventor: Ruth Williams
  • Bowl
    Patent number: D589754
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: April 7, 2009
    Assignee: Robert Welch Designs Ltd.
    Inventor: Ruth Williams
  • Cutlery set
    Patent number: D597384
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: August 4, 2009
    Assignee: Robert Welch Designs Ltd.
    Inventor: Ruth Williams
  • Candle holder
    Patent number: D606674
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: December 22, 2009
    Assignee: Robert Welch Designs, Limited
    Inventor: Ruth Williams
  • Convertible play pen
    Patent number: D339922
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: October 5, 1993
    Inventor: Ruth Williams
  • Cutlery set
    Patent number: D619857
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: July 20, 2010
    Assignee: Robert Welch Designs, Ltd.
    Inventor: Ruth Williams