Patents by Inventor Margaret Williamson

Margaret Williamson 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).

  • Beverage garnish holder
    Patent number: D438069
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: February 27, 2001
    Assignee: Pals Promos LLC
    Inventors: Margaret Williamson, Sherri Bleichner
  • Pedicure sandal
    Patent number: D271156
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: November 1, 1983
    Inventor: Margaret Williamson