Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830068 | Vacuum generating method and device including a charge valve | John Derikx | 2004-12-14 |
| 6827101 | Vacuum generating method and device | John Derikx | 2004-12-07 |
| 6779555 | Vacuum generating method and device including a charge valve and electronic control | John Derikx | 2004-08-24 |