Patents by Inventor Leo E. Hearn

Leo E. Hearn 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).

  • Knockdown aquarium stand
    Patent number: 3997139
    Abstract: An easily assembled and disassembled, aquarium stand wherein a pair of longitudinally spaced, generally vertical, springable end frame members have upper portions removably supporting an upper aquarium supporting frame and lower portions supporting a lower frame. Braces, which are fixed to the upper frame section, engage and hold the end frame members in sprung positions of assembly with the upper and lower frames.
    Type: Grant
    Filed: November 23, 1973
    Date of Patent: December 14, 1976
    Assignee: Pentaco Enterprises Corporation
    Inventors: Richard S. Young, Leo E. Hearn
  • Aquarium stand
    Patent number: D243027
    Type: Grant
    Filed: December 3, 1973
    Date of Patent: January 11, 1977
    Assignee: Pentaco Enterprises Corporation
    Inventors: Richard S. Young, Leo E. Hearn