Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403491 | Apparatus for forming a split tube | Siegfried Honisch | 1983-09-13 |
| 4217770 | Drawing hollow blanks in multiple steps | — | 1980-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403491 | Apparatus for forming a split tube | Siegfried Honisch | 1983-09-13 |
| 4217770 | Drawing hollow blanks in multiple steps | — | 1980-08-19 |