Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073354 | Process of stripping gold and silver from carbon | Lionel B. Luttinger, Mark G. Lang | 1991-12-17 |
| 4511479 | Oil removal from water suspensions using ionic domain polymers | Robert D. Lundberg | 1985-04-16 |
| 4508626 | Oil removal from water suspensions using ionic domain polymers | Robert D. Lundberg | 1985-04-02 |
| 4406865 | Metal extraction by solid-liquid agglomerates | — | 1983-09-27 |