Patents Represented by Law Firm Lucus & Just
  • Lock arrangement employing mechanically acting code card and key card
    Patent number: 5343724
    Abstract: In a locking apparatus that utilizes bores and blocking pins along with key cards and code cards to unlock the lock, a master card key is employed with holes in all of the master card bores and balls are used instead of blocking pins.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: September 6, 1994
    Assignee: Trioving a.s.
    Inventor: Tor Sornes