Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052029 | Method of calibrating a friction stir spot welding system | Blair E. Carlson, Robert T. Szymanski, Mark Hall | 2011-11-08 |
| 8033443 | Anvil with rolling elements for friction stir welding | Yen-Lung Chen, Robert T. Szymanski | 2011-10-11 |