| Class | Subclass | Patent |
| 2 | 18 | 07904967 |
| 48 | 07904968 | |
| 160 | 07904969 | |
| 209.13 | 07904970 | |
| 412 | 07904971 | |
| 4 | 251.1 | 07904972 |
| 420.4 | 07904973 | |
| 524 | 07904974 | |
| 5 | 28 | 07904975 |
| 53.1 | 07904976 | |
| 494 | 07904977 | |
| 618 | 07904978 | |
| 706 | 07904979 | |
| 8 | 149.1 | 07904980 |
| 149.3 | 07904981 | |
| 158 | 07904982 | |
| 07904983 | ||
| 07904984 | ||
| 159 | 07904985 | |
| 405 | 07905925 | |
| 07905926 | ||
| 07905927 | ||
| 549 | 07905928 | |
| 927 | 07905929 |