| Class | Subclass | Patent |
| 623 | 1.11 | 07909862 |
| 1.13 | 07909863 | |
| 1.15 | RE042244 | |
| 1.42 | 07909864 | |
| 07909865 | ||
| 2.11 | 07909866 | |
| 5.16 | 07909867 | |
| 9 | 07909868 | |
| 17.11 | 07909869 | |
| 07909870 | ||
| 07909871 | ||
| 07909872 | ||
| 07909873 | ||
| 07909874 | ||
| 07909875 | ||
| 17.14 | 07909876 | |
| 17.15 | 07909877 | |
| 07909878 | ||
| 17.16 | 07909879 | |
| 21.19 | 07909880 | |
| 22.4 | 07909881 | |
| 23.41 | 07909882 | |
| 23.55 | 07909883 | |
| 34 | 07909884 | |
| 43 | 07909885 | |
| 917 | 07909886 |