| Class | Subclass | Patent |
| 131 | 57 | 07905235 |
| 351 | 07905236 | |
| 132 | 212 | 07905237 |
| 287 | 07905238 | |
| 134 | 25.3 | 07905962 |
| 28 | 07905963 | |
| 95.2 | 07905239 | |
| 105 | 07905240 | |
| 135 | 90 | 07905241 |
| 96 | 07905242 | |
| 136 | 244 | 07906721 |
| 246 | 07906722 | |
| 255 | 07906723 | |
| 263 | 07906724 | |
| 137 | 2 | 07905243 |
| 68.21 | 07905244 | |
| 88 | 07905245 | |
| 112 | 07905246 | |
| 494 | 07905247 | |
| 550 | 07905248 | |
| 596.17 | 07905249 | |
| 597 | 07905250 | |
| 601.14 | 07905251 | |
| 606 | 07905252 | |
| 614.18 | 07905253 | |
| 630 | 07905254 | |
| 138 | 98 | 07905255 |
| 139 | 409 | 07905256 |