Patents by Inventor Helen D. Adkins

Helen D. Adkins 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).

  • Patent number: D273402
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: April 10, 1984
    Inventor: Helen D. Adkins