Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400263 | H-Coal process and plant design | Paul H. Kydd, Michael C. Chervenak | 1983-08-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400263 | H-Coal process and plant design | Paul H. Kydd, Michael C. Chervenak | 1983-08-23 |