Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892586 | Measuring and controlling the flow of flowable materials | Evan William Andrews | 2005-05-17 |
| 6010611 | Measurement of alumina in reduction pots | Richard Gerard Haverkamp | 2000-01-04 |
| 5476574 | Continuous alumina feeder | David John Stretch, Jennifer M. Purdie | 1995-12-19 |