Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287402 | Controlling upsetting during welding of a split tube | Erhard Jaspert, Kurt Niederhoff | 1981-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287402 | Controlling upsetting during welding of a split tube | Erhard Jaspert, Kurt Niederhoff | 1981-09-01 |