Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424702 | Device for monitoring the concentration of an air-vapor mixture | — | 1984-01-10 |
| 4424703 | Device for monitoring the concentration of an air-vapor mixture | Hans Winter, Eduard Mair | 1984-01-10 |