Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495268 | Tapered corrosion protection of tubes at mud drum location | — | 2002-12-17 |
| 6387194 | Process and composition for chromizing 400-series stainless steels | Douglas D. Zeigler, James M. Tanzosh, Walter R. Mohn | 2002-05-14 |