Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004445 | Electrochemical methods for recovery of ascorbic acid | Dan Hartsough | 1999-12-21 |
| 5841021 | Solid state gas sensor and filter assembly | Emory S. De Castro, Norman L. Weinberg | 1998-11-24 |
| 5520793 | Methods of producing hydrogen iodide electrochemically | Norman L. Weinberg, Dan Hartsough | 1996-05-28 |
| 5246551 | Electrochemical methods for production of alkali metal hydroxides without the co-production of chlorine | Derek Pletcher, Norman L. Weinberg, Ella F. Spiegel | 1993-09-21 |