Patents Assigned to Monarch Hardware & Manufacturing Co., Inc., Subsidiary of Newman Tonks, Inc.
  • Manual and electrical mechanism for unlocking a bolt
    Patent number: 4976476
    Abstract: An improved mechanism of simplified smaller construction for independently manually, as by a pushbar, or electrically, as by remote control, unlocking a latch bolt normally urged to locking position by a spring. The mechanism is especially adapted to be incorporated in a panic exit or fire door latch.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: December 11, 1990
    Assignee: Monarch Hardware & Manufacturing Co., Inc., Subsidiary of Newman Tonks, Inc.
    Inventors: David C. Cross, William G. Holloway