Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595647 | Method for determining gas components and/or gas concentrations of gas mixture | Gerhard Hoetzel, Harald Neumann | 1997-01-21 |
JR
Johann Riegel
Overall (1997): #126,523 of 185,788Top 70%
1
Patents 1997