Patents by Inventor Colin Lowndes

Colin Lowndes 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 housing
    Patent number: D276519
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: November 27, 1984
    Inventors: Gilbert L. Hobrough, Theodore B. Hobrough, Colin Lowndes