Patents by Inventor Doyle M. Sanford

Doyle M. Sanford 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: 4441457
    Abstract: A bird feeder stand adapted to support all types of feeders and planters having a water-filled base member supporting a vertically extending support post from the center thereof. The feeders are hung from cantilevered arms while their bottoms are supported from lateral movement by adjustable brackets slidable on the support post.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: April 10, 1984
    Inventor: Doyle M. Sanford