Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942197 | Countercurrent reactor | Ramesh Gupta, Jeffrey W. Frederick, Edward S. Ellis, David C. Dankworth | 1999-08-24 |
| 5939031 | Countercurrent reactor | Edward S. Ellis, Jeffrey W. Frederick, Ramesh Gupta, David C. Dankworth | 1999-08-17 |