Patents by Inventor Norma L. Trask

Norma L. Trask 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).

  • Pacifier tether
    Patent number: D310716
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: September 18, 1990
    Inventor: Norma L. Trask