Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523516 | Method for recycling lithium batteries | Stan D. Berry, Frank F. Bis, Dave Edelstein | 1996-06-04 |
| 4242313 | Processes for the recovery of alumina from fly ash and production of cement constituents | — | 1980-12-30 |