| Class | Subclass | Patent |
| 2 | 2.5 | 07917967 |
| 07917968 | ||
| 69 | 07917969 | |
| 84 | 07917970 | |
| 455 | 07917971 | |
| 459 | 07917972 | |
| 4 | 246.1 | 07917973 |
| 506 | 07917974 | |
| 5 | 11 | 07917975 |
| 93.1 | 07917976 | |
| 308 | 07917977 | |
| 428 | 07917978 | |
| 488 | 07917979 | |
| 717 | 07917980 | |
| 8 | 94.11 | 07918899 |
| 405 | 07918900 | |
| 07918901 | ||
| 07918902 | ||
| 07918903 |