Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492872 | Albedo dosimeter encapsulation | Bertram Burgkhart, Ernst Piesch | 1985-01-08 |
| 4385236 | Passive dosimeter for detection of radon, thoron and daughters thereof | Ernst Piesch | 1983-05-24 |