Patents by Inventor Gretchen A. Hines

Gretchen A. Hines 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: D284089
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: June 3, 1986
    Inventor: Gretchen A. Hines