Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336387 | Electrical separator apparatus and method of counterflow gradient focusing | Garland E. Twitty, David W. Sammons | 1994-08-09 |
| 5173164 | Multi-modality electrical separator apparatus and method | Garland E. Twitty, David W. Sammons, Rizwan Sharnez | 1992-12-22 |