Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303664 | Treatment for reducing residual carbon in the lost foam process | Fred Sonnenberg, Tom Johansson | 2001-10-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6303664 | Treatment for reducing residual carbon in the lost foam process | Fred Sonnenberg, Tom Johansson | 2001-10-16 |