Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244695 | Process for the quantitative determination of the oxygen demand of water containing oxidizable matter | Werner Melzer | 1981-01-13 |
| 4217108 | Process for the quantitative determination of the carbon of organic compounds in water | Werner Melzer, Helmut Schroeder | 1980-08-12 |