| Class | Subclass | Patent |
| 280 | 5.511 | 07905499 |
| 5.523 | 07905500 | |
| 11.14 | 07905501 | |
| 47.18 | 07905502 | |
| 124.109 | 07905503 | |
| 250.1 | 07905504 | |
| 271 | 07905505 | |
| 291 | 07905506 | |
| 455.1 | 07905507 | |
| 490.1 | 07905508 | |
| 642 | 07905509 | |
| 728.2 | 07905510 | |
| 07905511 | ||
| 728.3 | 07905512 | |
| 730.2 | 07905513 | |
| 733 | 07905514 | |
| 735 | 07905515 | |
| 742 | 07905516 | |
| 753 | 07905517 | |
| 777 | 07905518 | |
| 807 | 07905519 | |
| 285 | 252 | 07905520 |