| Class | Subclass | Patent |
| 2 | 22 | 07941867 |
| 50 | 07941868 | |
| 69 | 07941869 | |
| 181.4 | 07941870 | |
| 238 | 07941871 | |
| 406 | 07941872 | |
| 425 | 07941873 | |
| 440 | 07941874 | |
| 455 | 07941875 | |
| 465 | 07941876 | |
| 4 | 541.1 | 07941877 |
| 685 | 07941878 | |
| 5 | 11 | 07941879 |
| 310 | 07941880 | |
| 611 | 07941881 | |
| 693 | 07941882 | |
| 727 | 07941883 | |
| 8 | 149.3 | 07941884 |
| 158 | 07941885 | |
| 405 | 07942937 | |
| 661 | 07942938 |