| Class | Subclass | Patent |
| 472 | 2 | 07931539 |
| 134 | 07931540 | |
| 473 | 201 | 07931541 |
| 288 | 07931542 | |
| 07931543 | ||
| 300 | 07931544 | |
| 329 | 07931545 | |
| 345 | 07931546 | |
| 454 | 07931547 | |
| 513 | 07931548 | |
| 560 | 07931549 | |
| 578 | 07931550 | |
| 474 | 28 | 07931551 |
| 74 | 07931552 | |
| 160 | 07931553 | |
| 237 | 07931554 | |
| 475 | 5 | 07931555 |
| 116 | 07931556 | |
| 246 | 07931557 | |
| 275 | 07931558 | |
| 296 | 07931559 | |
| 477 | 111 | 07931560 |
| 176 | 07931561 |