Patents by Inventor John T. Gollehon

John T. Gollehon 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).

  • Loudspeaker with cone driven horn
    Patent number: 4314620
    Abstract: A loudspeaker comprises a horn having an open throat from which a pair of outwardly curved side walls extend. A cone driven speaker is mounted in the horn throat, and the horn with attached speaker is mounted in a base reflex enclosure which forms a chamber therebetween. A compression driven tweeter is mounted in one of the curved horn side walls, and a port is disposed through the other horn side wall and communicates with the chamber to vent back waves.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: February 9, 1982
    Assignee: Gollehon Industries, Inc.
    Inventor: John T. Gollehon
  • Loudspeaker
    Patent number: D266243
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: September 21, 1982
    Assignee: Gollehon Industries, Inc.
    Inventor: John T. Gollehon