| Class | Subclass | Patent |
| 152 | 209.21 | 07909075 |
| 416 | 07909076 | |
| 539 | 07909077 | |
| 156 | 64 | 07909951 |
| 92 | 07909952 | |
| 117 | 07909953 | |
| 195 | 07909954 | |
| 248 | 07909955 | |
| 250 | 07909956 | |
| 273.3 | 07909957 | |
| 275.5 | 07909958 | |
| 344 | 07909959 | |
| 345.3 | 07909960 | |
| 07909961 | ||
| 360 | 07909078 | |
| 379.8 | 07909079 | |
| 423 | 07909080 | |
| 555 | 07909081 |