Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669711 | Vibratory settling or compaction unit | James SPENCE | 1997-09-23 |
| 5274497 | Concentrating collector lens assembly | — | 1993-12-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669711 | Vibratory settling or compaction unit | James SPENCE | 1997-09-23 |
| 5274497 | Concentrating collector lens assembly | — | 1993-12-28 |