Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7150389 | Method and apparatus for friction stir welding | Anders Malm | 2006-12-19 |
| 4629853 | Apparatus for the internal welding of pipes | Erik S. Yttergren, Urban R. A. Strand, Karl U. H. Jansson | 1986-12-16 |