Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674061 | Method and device for the automatic calibration of measuring and indicating appliances for the determination of partial pressure of a gas | Jorg Diskowski, Wolfgang Jeppel, Hans-Peter Spiess | 1987-06-16 |