Patents Assigned to Key Kontrol Systems, Inc.
  • System for controlling the use of a plurality of items
    Patent number: 4753092
    Abstract: This invention is a system for controlling the use of keys and other items which allows only one item to be removed from a plurality of available items and an indicator of who made the selection. The present invention has particular application where a plurality of different people, such as salesmen, have access to a plurality of different items, such as keys. This control is accomplished through the provision of an unlocking means which cannot be relocked until the article contained therein has been replaced.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: June 28, 1988
    Assignee: Key Kontrol Systems, Inc.
    Inventor: Donald E. Mercer