Patents Assigned to Kaba High Security Locks, Inc.
  • Dual control mode lock
    Patent number: 5423198
    Abstract: A security system requires the bringing together, at the locking mechanism to be operated from a locked to an unlocked state, of a properly bitted mechanical key and the generator of a digitally coded electrical command signal. The electrical command signal is transmitted through the lock to an actuator so that the lock, when enabled by insertion of the mechanical key, may be operated. The key may define a portion of the signal transmission path between the command signal generator and the actuator.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: June 13, 1995
    Assignee: Kaba High Security Locks, Inc.
    Inventors: Thomas J. DiVito, Edward F. Humphrey
  • Core for a cylinder lock
    Patent number: D422882
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: April 18, 2000
    Assignee: Kaba High Security Locks, Inc.
    Inventor: Jerome V. Andrews