Patents Assigned to David Arlasky
  • Tamper resistant lock bolt assembly
    Patent number: 4611477
    Abstract: A tamper resistant reciprocal cylinder lock comprising mutually engageable structures on the lock sleeve and bolt keeper having the capacity to increase the resistance of the lock sleeve forward portion from disengagement with the lock sleeve inner portion when the lock and keeper mechanism in a locked position are under physical attack.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: September 16, 1986
    Assignee: David Arlasky
    Inventor: Allan B. Crites