| Class | Subclass | Patent |
| 400 | 76 | 07938588 |
| 487 | 07938589 | |
| 607 | 07938590 | |
| 401 | 75 | 07938591 |
| 224 | 07938592 | |
| 403 | 297 | 07938593 |
| 404 | 9 | 07938594 |
| 84.1 | 07938595 | |
| 86 | 07938596 | |
| 405 | 50 | 07938597 |
| 168.4 | 07938598 | |
| 407 | 35 | 07938599 |
| 408 | 1R | 07938600 |
| 409 | 132 | 07938601 |
| 216 | 07938602 | |
| 07938603 |