Class Subclass Patent
410 4 07918631
  44 07918632
  45 07918633
411 377 07918634
412 11 07918635
414 22.55 07918636
  426 07918637
  469 07918638
  744.6 07918639
  754 07918640
  798.1 07918641
415 118 07918642
  171.1 07918643
  199.5 07918644
416 1 07918645
    07918646
  96A 07918647
  111 07918648
  174 07918649
  197A 07918650
  203 07918651
  219R 07918652
  228 07918653
417 360 07918654
  426 07918655
  441 07918656
  477.3 07918657
418 55.3 07918658
  270 07918659