Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845326 | Apparatus and method for electrically butt welding of skelp edge faces which have been preheated | Wallace C. Rudd, Robert R. Harriau | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845326 | Apparatus and method for electrically butt welding of skelp edge faces which have been preheated | Wallace C. Rudd, Robert R. Harriau | 1989-07-04 |