Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321402 | Carbamate process | Ji-Yong Ryu, Krishna K. Rao, Ralph J. Spohn | 1982-03-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321402 | Carbamate process | Ji-Yong Ryu, Krishna K. Rao, Ralph J. Spohn | 1982-03-23 |