Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379621 | Apparatus for analyzing water and wastewater | — | 2002-04-30 |
| 6376255 | Apparatus and method for analyzing the amount of chemical substrates in a liquid | Raimund Essel, Albert Saeuble, Rudolf Schumacher | 2002-04-23 |
| 6351986 | Method for measuring water and wastewater parameters | — | 2002-03-05 |