Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368824 | Gas distribution system for fluidized bed reactors | Frederick A. Zenz | 1994-11-29 |
| 5316471 | Method and apparatus for mass transfer in multiple hearth funaces | — | 1994-05-31 |