Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676889 | Modular furnace emission remediation system | Hans M. Wenghoefer, John R. Martin, James F. Corbett, Richard J. Geier | 2004-01-13 |
| 6468466 | Furnace emission remediation system | Hans M. Wenghoefer, John R. Martin, James F. Corbett, Richard J. Geier | 2002-10-22 |