Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678625 | Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gases | Werner Niggeschmidt | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678625 | Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gases | Werner Niggeschmidt | 1997-10-21 |