Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460752 | Method of friction stir welding with grooved backing member | Robert S. Forrest | 2002-10-08 |
| 6398883 | Friction stir grain refinement of structural members | R. Scott Forrest | 2002-06-04 |
| 6367681 | Friction stir welding apparatus and method | Robert S. Forrest | 2002-04-09 |