Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379629 | Carbonizing apparatus having a spiral, rotary vane | — | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379629 | Carbonizing apparatus having a spiral, rotary vane | — | 2002-04-30 |