Patents by Inventor John L. Piper

John L. Piper 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: 4153286
    Abstract: A tool used to lift a hanging type plant onto and off of an overhead hook. The tool includes an elongate shaft having a handle at one end and a V-shaped tip at the other end which is formed to engage a ring carried on the upper end of ropes that suspend the plant container. The ring may be held on the tip of the tool and thereby lifted onto and off of the hook.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: May 8, 1979
    Inventors: John L. Piper, John R. Peterson