Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742698 | Refractory metal backing material for weld repair | James T. Beals, Norman Pietruska, Edward R. Szela | 2004-06-01 |
| 6671965 | Diamond-tipped indenting tool | Reade R. Clemens, David Lee Roe | 2004-01-06 |