Patents by Inventor Leslie A. Hannula

Leslie A. Hannula 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).

  • Vandalproof telephone booth construction
    Patent number: 4396176
    Abstract: A security mounting for a coin telephone includes a mounting member having a plurality of mounting openings and a frame positioned about the area of the mounting member having the openings. A telephone enclosure is positioned within the frame and has security studs which interlock with the mounting openings. The telephone enclosure is smaller in one dimension than the opening formed by the frame, thus permitting the enclosure to be installed and the security studs interlocked with the mounting openings. A locking bar is positioned within the frame and fills the space formed by the difference in dimension between the frame and telephone enclosure. A telephone mounting cover encloses the frame and locking bar and has an opening extending peripherally about the telephone enclosure.
    Type: Grant
    Filed: February 12, 1981
    Date of Patent: August 2, 1983
    Assignee: Acoustics Development Corporation
    Inventor: Leslie A. Hannula
  • Outdoor telephone booth
    Patent number: D260702
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: September 15, 1981
    Assignee: Acoustics Development Corporation
    Inventors: Leslie A. Hannula, Fred L. Browning