Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8246916 | Evaporator/calciner | Andrew Donald Kettner, Bruce Wayne Hildebrandt, Howard Jessup | 2012-08-21 |
| 7731912 | Evaporator/calciner | Andrew Donald Kettner, Bruce Wayne Hildebrandt, Howard Jessup | 2010-06-08 |