Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576123 | Arrangement for removing heavy metal ions from roof runoff waters | Sonja Priggemeyer, Stefan Priggemeyer, Herbert Runde, Gerhard Weil | 2003-06-10 |
| 6248233 | Arrangement for removing heavy metal ions from roof runoff waters | Sonja Priggemeyer, Stefan Priggemeyer, Herbert Runde, Gerhard Weil | 2001-06-19 |
| 6120673 | Method and device for regenerating tin-plating solutions | Ulrich Reiter, Klaus Fischwasser, Hans-Wilhelm Lieber, Ralph Blittersdorf, Annette Heuss | 2000-09-19 |