Patents Assigned to Metro-Dynamics, Inc.
  • Overhead garage door opener
    Patent number: 4167833
    Abstract: An overhead garage door opener in which an actuating motor is secured to the door and is coupled to a capstan. A heavy cord, secured at one end to the garage wall above the door and at its other end near the back of the garage, is wound around the capstan. A motor control system such as a coded sound producing device and a time delay receiving circuit is disclosed, to start the motor to open or close the door.
    Type: Grant
    Filed: July 26, 1977
    Date of Patent: September 18, 1979
    Assignee: Metro-Dynamics, Inc.
    Inventors: Richard C. Farina, Peter G. Sepesi