Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578971 | Rapid-response reversible dry surface CO2 detector | Jeffrey B. Ratner, David Matthew Green, Marc Halpern | 2009-08-25 |
| 6833463 | Transesterification using phase transfer catalysts | Marc Halpern | 2004-12-21 |