Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758939 | Laminated wear ring | David Marquardt, Stephen C. Schultz | 2004-07-06 |
| 6736713 | Workpiece carrier retaining element | Frank McPeek, Robert Key | 2004-05-18 |
| 6409580 | Rigid polishing pad conditioner for chemical mechanical polishing tool | Timothy Dyer | 2002-06-25 |