Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775795 | Method and apparatus for detecting very small concentrations of gases in a gas mixture | Karl-Ernst Biehl, Conrad G. von Roedern | 1988-10-04 |
| 4727258 | Optoelectronic system for passive range metering | Stefan Scholz | 1988-02-23 |
| 4542299 | Infrared simulator | Stefan Scholz | 1985-09-17 |