Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056229 | Method of manufacturing a tubular support structure | Rickey A. Wilson, David K. Meisenhelter, James L. Barkan, Harry E. Hillegass | 2011-11-15 |
| 7171834 | External sleeve assisted tube bending | — | 2007-02-06 |
| 6038902 | Intrados induction heating for tight radius rotary draw bend | Laroul J. Talley, Theodore F. Yurek, Douglas D. Ziegler | 2000-03-21 |