Patents by Inventor Mace E. Plummer

Mace E. Plummer 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: 4150733
    Abstract: A foldable assembly comprising a seat rotatably mounted on a support to which are collapsibly mounted three legs. One of the legs can be secured to a tree. Foothold means are provided on one of the legs. Means are provided also to adjust the length of the legs.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: April 24, 1979
    Inventor: Mace E. Plummer