Patents by Inventor Doris A. Eckenrode

Doris A. Eckenrode 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: D304775
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: November 28, 1989
    Inventor: Doris A. Eckenrode