| Class | Subclass | Patent |
| 2 | 15 | 07603723 |
| 15 | 79.2 | 07603738 |
| 81 | 439 | 07603931 |
| 128 | 849 | 07604007 |
| 172 | 175 | 07604067 |
| 235 | 384 | 07604169 |
| 366 | 341 | 07604394 |
| 210 | 192 | 07604735 |
| 424 | 195.18 | 07604807 |
| 427 | 444 | 07604844 |
| 356 | 477 | 07605923 |
| 367 | 88 | 07606112 |
| 372 | 20 | 07606274 |
| 381 | 107 | 07606378 |