Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063028 | Process and apparatus for regeneration of FCC catalyst | John D. Humble, John D. Ruggles, Judah L. Jacobowitz | 1991-11-05 |
| 4395019 | Seal for wear resistant inserts | — | 1983-07-26 |