Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836146 | Controlling rapping cycle | Paul F. Russell, Clifford C. Segerstrom, Jacob H. Stil, Gerd Harenslak, Matheus M. van Kessel | 1989-06-06 |
| 4799356 | Synthesis gas generation complex and process | — | 1989-01-24 |