Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962658 | Method and apparatus for straight drawing a pipe | — | 1990-10-16 |
| 4805434 | Method for straight-line drawing of round material | Bruno Walczak | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962658 | Method and apparatus for straight drawing a pipe | — | 1990-10-16 |
| 4805434 | Method for straight-line drawing of round material | Bruno Walczak | 1989-02-21 |