Subclass Subgroup Patent
G06F 8/34 12169703
  8/452 12169704
  8/65 12169705
    12169706
    12169707
    12169708
  8/658 12169709
    12169710
  8/70 12169711
  8/71 12169712
  8/73 12169713
  8/75 12169714
  8/77 12169715