Patents by Inventor Fredrick Thomas Cogan

Fredrick Thomas Cogan 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).

  • Multi-outlet adaptor for plug-in telephones
    Patent number: 4061411
    Abstract: A multi-outlet adaptor for plug-in telephones is in the form of a hollow box-like member in the front of which are at least two apertures with a jack aligned with and behind each aperture. A plug can be inserted through each aperture. On the rear of the box-like member is an integral plug for insertion in the normal telephone outlet or jack. The jacks in the adaptor are wired in parallel to the plug on the rear. A latch can be provided on the plug and the apertures can be profiled to provide latch engaging formations.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: December 6, 1977
    Assignee: Northern Telecom Limited
    Inventors: Beverley William Gumb, Gerd Kuhfus, Fredrick Thomas Cogan