Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790123 | Method for processing a work piece in a multi-zonal processing apparatus | Nikolay Korovin | 2004-09-14 |
| 6758939 | Laminated wear ring | David Marquardt, Wayne Lougher | 2004-07-06 |