Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976991 | Method for making a sensor for monitoring hydrogen concentrations in gases | Hartmut Erdmann, Heinz-Werner Etzkorn, Klaus Zucholl | 1990-12-11 |
| 4908118 | Sensor for monitoring hydrogen concentration in gases | Hartmut Erdmann, Heinz-Werner Etzkorn, Klaus Zucholl | 1990-03-13 |