Patents by Inventor Dolores S. Williams

Dolores S. 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).

  • Thermos guard
    Patent number: 3994519
    Abstract: A lunch box having a latch further equipped with a bendable security closure for the latch.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: November 30, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Dolores S. Williams