Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349839 | Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections | Robert Weykamp | 1994-09-27 |
| 5327764 | Apparatus and method for the stretch forming of elongated hollow metal sections | Robert Weykamp | 1994-07-12 |
| 5323631 | Method for forming a hollow workpiece using a snake tool | Robert Weykamp | 1994-06-28 |