| Class | Subclass | Patent |
| 172 | 125 | 07905297 |
| 174 | 50.5 | 07906725 |
| 68.1 | 07906726 | |
| 70S | 07906727 | |
| 72A | 07906728 | |
| 75R | 07906729 | |
| 78 | 07906730 | |
| 252 | 07906731 | |
| 257 | 07906732 | |
| 261 | 07906733 | |
| 262 | 07906734 | |
| 368 | 07906735 | |
| 650 | 07906736 | |
| 175 | 10 | 07905298 |
| 113 | 07905299 | |
| 122 | 07905300 | |
| 425 | 07905301 | |
| 177 | 25.13 | 07906737 |