Patents by Inventor Vernie L. Farris

Vernie L. Farris 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).

  • Door closure device
    Patent number: 3934306
    Abstract: A safety device for automatically closing a door in response to a predetermined condition, such as fire, is provided by a selectively disengageable brake operatively associated with a pivotable door closure arm. The brake includes a flexible cable wrapped around a brake drum, and means to selectively tighten the cable around the drum. A crank-pin rotates conjointly with the drum and engages the door closure arm to expeditiously close the door in the event of fire.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: January 27, 1976
    Assignee: Federal Sign and Signal Corporation
    Inventor: Vernie L. Farris