Patents Represented by Attorney Jim Blackwood, Esq.
  • Patent number: 5819569
    Abstract: A lock with changeable warding positions wherein a rotationally indexable warding member selectively enables one of a multiple of keys for operation of the lock.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: October 13, 1998
    Inventor: Rodrick A. Herdman
  • Patent number: D397475
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: August 25, 1998
    Inventor: Christopher G. Jacobs