Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594252 | Three terminal ion chambers | Derek J. Day, Rolf Stahelin, Heinrich Riem, Willi Fencl | 1997-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594252 | Three terminal ion chambers | Derek J. Day, Rolf Stahelin, Heinrich Riem, Willi Fencl | 1997-01-14 |