Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879421 | Friction stir welding of fiber reinforced thermoplastics | Earl Claude Helder | 2011-02-01 |
| 7879454 | Friction stir welding of metal matrix composites | Earl Claude Helder | 2011-02-01 |