| Class | Subclass | Patent |
| 81 | 59.1 | 07905162 |
| 177.9 | 07905163 | |
| 453 | 07905164 | |
| 82 | 112 | 07905165 |
| 83 | 574 | 07905166 |
| 581 | 07905167 | |
| 84 | 307 | 07906715 |
| 310 | 07906716 | |
| 327 | 07906717 | |
| 411R | 07906718 | |
| 422.4 | 07906719 | |
| 477R | 07906720 | |
| 86 | 50 | 07905168 |
| 89 | 1.51 | 07905169 |
| 14.2 | 07905170 | |
| 36.08 | 07905171 |