Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416670 | Dual-cell mechanical flotation system with intermittent skimming | Melvin O. Stacy, James C. T. Chen | 2008-08-26 |
| 6955763 | Dual-cell mechanical flotation system | Melvin O. Stacy, James C. T. Chen | 2005-10-18 |