Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875406 | Device for detecting different pollutants in gas streams | Heinz Holter, Heinrich Igelbuscher, Heinrich Gresch, Heribert Dewert | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875406 | Device for detecting different pollutants in gas streams | Heinz Holter, Heinrich Igelbuscher, Heinrich Gresch, Heribert Dewert | 1989-10-24 |