Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737953 | Process for stretch forming hollow metal bodies | Blair T. Allison, Thomas J. VanSumeren, John S. Schultz | 1998-04-14 |
| 5735160 | Stretch forming metal bodies with polymeric internal mandrels | Thomas J. VanSumeren | 1998-04-07 |
| 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 |
| 4704886 | Stretch-forming process | James A. Miller | 1987-11-10 |