Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575438 | Stepped downcomer apparatus and vapor-liquid contact apparatus with same | Dale E. Nutter, Christina J. Campbell | 2003-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575438 | Stepped downcomer apparatus and vapor-liquid contact apparatus with same | Dale E. Nutter, Christina J. Campbell | 2003-06-10 |