Patents by Inventor Elizabeth O'Brien Nelson

Elizabeth O'Brien Nelson 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).

  • Child's bib
    Patent number: D345852
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: April 12, 1994
    Assignee: Playskool Baby, Inc.
    Inventor: Elizabeth O'Brien Nelson