Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675495 | Butt welding machine | Daniel M. Kielbania | 1987-06-23 |
| 4235115 | Electric welding | — | 1980-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675495 | Butt welding machine | Daniel M. Kielbania | 1987-06-23 |
| 4235115 | Electric welding | — | 1980-11-25 |