Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718873 | Countercurrent gas-solid contacting | Grant Ashley Wellwood, Martin Groszek | 1998-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718873 | Countercurrent gas-solid contacting | Grant Ashley Wellwood, Martin Groszek | 1998-02-17 |