Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368223 | Pipe welding process using a metallic insert for improved corrosion resistance of the welded zone | Henri Chevrel | 1994-11-29 |
| 5299731 | Corrosion resistant welding of stainless steel | A. Nimal Liyanage, Henri Chevrel, Jean-Marie Friedt | 1994-04-05 |